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authorntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-10-08 20:16:51 +0000
committerntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-10-08 20:16:51 +0000
commita5806d21d249eefaeed6eaf5bf72bd3e3d50f3fb (patch)
tree473b5877a139a219ffa81051b57a9f3bfa237da1 /src/target
parent30e5bff4b8c18166288e7df22cf285efadfeaea0 (diff)
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- remove build warnings from mips_m4k.c and arm11.c
- reformat whitespace arm11.c[ch] - add missing svn props from mips32_dmaacc.[ch] git-svn-id: svn://svn.berlios.de/openocd/trunk@1032 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/target')
-rw-r--r--src/target/arm11.c1613
-rw-r--r--src/target/arm11.h166
-rw-r--r--src/target/mips32_dmaacc.c881
-rw-r--r--src/target/mips32_dmaacc.h106
-rw-r--r--src/target/mips_m4k.c1
5 files changed, 1357 insertions, 1410 deletions
diff --git a/src/target/arm11.c b/src/target/arm11.c
index f2adce85..f93e716a 100644
--- a/src/target/arm11.c
+++ b/src/target/arm11.c
@@ -36,68 +36,65 @@
#define _DEBUG_INSTRUCTION_EXECUTION_
#endif
-
#if 0
-#define FNC_INFO LOG_DEBUG("-")
+#define FNC_INFO LOG_DEBUG("-")
#else
#define FNC_INFO
#endif
#if 1
-#define FNC_INFO_NOTIMPLEMENTED do { LOG_DEBUG("NOT IMPLEMENTED"); /*exit(-1);*/ } while (0)
+#define FNC_INFO_NOTIMPLEMENTED do { LOG_DEBUG("NOT IMPLEMENTED"); /*exit(-1);*/ } while (0)
#else
#define FNC_INFO_NOTIMPLEMENTED
#endif
static void arm11_on_enter_debug_state(arm11_common_t * arm11);
-
bool arm11_config_memwrite_burst = true;
bool arm11_config_memwrite_error_fatal = true;
u32 arm11_vcr = 0;
-
#define ARM11_HANDLER(x) \
- .x = arm11_##x
+ .x = arm11_##x
target_type_t arm11_target =
{
- .name = "arm11",
+ .name = "arm11",
- ARM11_HANDLER(poll),
- ARM11_HANDLER(arch_state),
+ ARM11_HANDLER(poll),
+ ARM11_HANDLER(arch_state),
- ARM11_HANDLER(target_request_data),
+ ARM11_HANDLER(target_request_data),
- ARM11_HANDLER(halt),
- ARM11_HANDLER(resume),
- ARM11_HANDLER(step),
+ ARM11_HANDLER(halt),
+ ARM11_HANDLER(resume),
+ ARM11_HANDLER(step),
- ARM11_HANDLER(assert_reset),
- ARM11_HANDLER(deassert_reset),
- ARM11_HANDLER(soft_reset_halt),
+ ARM11_HANDLER(assert_reset),
+ ARM11_HANDLER(deassert_reset),
+ ARM11_HANDLER(soft_reset_halt),
- ARM11_HANDLER(get_gdb_reg_list),
+ ARM11_HANDLER(get_gdb_reg_list),
- ARM11_HANDLER(read_memory),
- ARM11_HANDLER(write_memory),
+ ARM11_HANDLER(read_memory),
+ ARM11_HANDLER(write_memory),
- ARM11_HANDLER(bulk_write_memory),
+ ARM11_HANDLER(bulk_write_memory),
- ARM11_HANDLER(checksum_memory),
+ ARM11_HANDLER(checksum_memory),
- ARM11_HANDLER(add_breakpoint),
- ARM11_HANDLER(remove_breakpoint),
- ARM11_HANDLER(add_watchpoint),
- ARM11_HANDLER(remove_watchpoint),
+ ARM11_HANDLER(add_breakpoint),
+ ARM11_HANDLER(remove_breakpoint),
+ ARM11_HANDLER(add_watchpoint),
+ ARM11_HANDLER(remove_watchpoint),
- ARM11_HANDLER(run_algorithm),
+ ARM11_HANDLER(run_algorithm),
- ARM11_HANDLER(register_commands),
- ARM11_HANDLER(target_create),
- ARM11_HANDLER(init_target),
- ARM11_HANDLER(examine),
- ARM11_HANDLER(quit),
+ ARM11_HANDLER(register_commands),
+ ARM11_HANDLER(target_create),
+ ARM11_HANDLER(init_target),
+ ARM11_HANDLER(examine),
+ ARM11_HANDLER(quit),
};
int arm11_regs_arch_type = -1;
@@ -105,188 +102,188 @@ int arm11_regs_arch_type = -1;
enum arm11_regtype
{
- ARM11_REGISTER_CORE,
- ARM11_REGISTER_CPSR,
-
- ARM11_REGISTER_FX,
- ARM11_REGISTER_FPS,
-
- ARM11_REGISTER_FIQ,
- ARM11_REGISTER_SVC,
- ARM11_REGISTER_ABT,
- ARM11_REGISTER_IRQ,
- ARM11_REGISTER_UND,
- ARM11_REGISTER_MON,
-
- ARM11_REGISTER_SPSR_FIQ,
- ARM11_REGISTER_SPSR_SVC,
- ARM11_REGISTER_SPSR_ABT,
- ARM11_REGISTER_SPSR_IRQ,
- ARM11_REGISTER_SPSR_UND,
- ARM11_REGISTER_SPSR_MON,
-
- /* debug regs */
- ARM11_REGISTER_DSCR,
- ARM11_REGISTER_WDTR,
- ARM11_REGISTER_RDTR,
+ ARM11_REGISTER_CORE,
+ ARM11_REGISTER_CPSR,
+
+ ARM11_REGISTER_FX,
+ ARM11_REGISTER_FPS,
+
+ ARM11_REGISTER_FIQ,
+ ARM11_REGISTER_SVC,
+ ARM11_REGISTER_ABT,
+ ARM11_REGISTER_IRQ,
+ ARM11_REGISTER_UND,
+ ARM11_REGISTER_MON,
+
+ ARM11_REGISTER_SPSR_FIQ,
+ ARM11_REGISTER_SPSR_SVC,
+ ARM11_REGISTER_SPSR_ABT,
+ ARM11_REGISTER_SPSR_IRQ,
+ ARM11_REGISTER_SPSR_UND,
+ ARM11_REGISTER_SPSR_MON,
+
+ /* debug regs */
+ ARM11_REGISTER_DSCR,
+ ARM11_REGISTER_WDTR,
+ ARM11_REGISTER_RDTR,
};
typedef struct arm11_reg_defs_s
{
- char * name;
- u32 num;
- int gdb_num;
- enum arm11_regtype type;
+ char * name;
+ u32 num;
+ int gdb_num;
+ enum arm11_regtype type;
} arm11_reg_defs_t;
/* update arm11_regcache_ids when changing this */
static const arm11_reg_defs_t arm11_reg_defs[] =
{
- {"r0", 0, 0, ARM11_REGISTER_CORE},
- {"r1", 1, 1, ARM11_REGISTER_CORE},
- {"r2", 2, 2, ARM11_REGISTER_CORE},
- {"r3", 3, 3, ARM11_REGISTER_CORE},
- {"r4", 4, 4, ARM11_REGISTER_CORE},
- {"r5", 5, 5, ARM11_REGISTER_CORE},
- {"r6", 6, 6, ARM11_REGISTER_CORE},
- {"r7", 7, 7, ARM11_REGISTER_CORE},
- {"r8", 8, 8, ARM11_REGISTER_CORE},
- {"r9", 9, 9, ARM11_REGISTER_CORE},
- {"r10", 10, 10, ARM11_REGISTER_CORE},
- {"r11", 11, 11, ARM11_REGISTER_CORE},
- {"r12", 12, 12, ARM11_REGISTER_CORE},
- {"sp", 13, 13, ARM11_REGISTER_CORE},
- {"lr", 14, 14, ARM11_REGISTER_CORE},
- {"pc", 15, 15, ARM11_REGISTER_CORE},
+ {"r0", 0, 0, ARM11_REGISTER_CORE},
+ {"r1", 1, 1, ARM11_REGISTER_CORE},
+ {"r2", 2, 2, ARM11_REGISTER_CORE},
+ {"r3", 3, 3, ARM11_REGISTER_CORE},
+ {"r4", 4, 4, ARM11_REGISTER_CORE},
+ {"r5", 5, 5, ARM11_REGISTER_CORE},
+ {"r6", 6, 6, ARM11_REGISTER_CORE},
+ {"r7", 7, 7, ARM11_REGISTER_CORE},
+ {"r8", 8, 8, ARM11_REGISTER_CORE},
+ {"r9", 9, 9, ARM11_REGISTER_CORE},
+ {"r10", 10, 10, ARM11_REGISTER_CORE},
+ {"r11", 11, 11, ARM11_REGISTER_CORE},
+ {"r12", 12, 12, ARM11_REGISTER_CORE},
+ {"sp", 13, 13, ARM11_REGISTER_CORE},
+ {"lr", 14, 14, ARM11_REGISTER_CORE},
+ {"pc", 15, 15, ARM11_REGISTER_CORE},
#if ARM11_REGCACHE_FREGS
- {"f0", 0, 16, ARM11_REGISTER_FX},
- {"f1", 1, 17, ARM11_REGISTER_FX},
- {"f2", 2, 18, ARM11_REGISTER_FX},
- {"f3", 3, 19, ARM11_REGISTER_FX},
- {"f4", 4, 20, ARM11_REGISTER_FX},
- {"f5", 5, 21, ARM11_REGISTER_FX},
- {"f6", 6, 22, ARM11_REGISTER_FX},
- {"f7", 7, 23, ARM11_REGISTER_FX},
- {"fps", 0, 24, ARM11_REGISTER_FPS},
+ {"f0", 0, 16, ARM11_REGISTER_FX},
+ {"f1", 1, 17, ARM11_REGISTER_FX},
+ {"f2", 2, 18, ARM11_REGISTER_FX},
+ {"f3", 3, 19, ARM11_REGISTER_FX},
+ {"f4", 4, 20, ARM11_REGISTER_FX},
+ {"f5", 5, 21, ARM11_REGISTER_FX},
+ {"f6", 6, 22, ARM11_REGISTER_FX},
+ {"f7", 7, 23, ARM11_REGISTER_FX},
+ {"fps", 0, 24, ARM11_REGISTER_FPS},
#endif
- {"cpsr", 0, 25, ARM11_REGISTER_CPSR},
+ {"cpsr", 0, 25, ARM11_REGISTER_CPSR},
#if ARM11_REGCACHE_MODEREGS
- {"r8_fiq", 8, -1, ARM11_REGISTER_FIQ},
- {"r9_fiq", 9, -1, ARM11_REGISTER_FIQ},
- {"r10_fiq", 10, -1, ARM11_REGISTER_FIQ},
- {"r11_fiq", 11, -1, ARM11_REGISTER_FIQ},
- {"r12_fiq", 12, -1, ARM11_REGISTER_FIQ},
- {"r13_fiq", 13, -1, ARM11_REGISTER_FIQ},
- {"r14_fiq", 14, -1, ARM11_REGISTER_FIQ},
- {"spsr_fiq", 0, -1, ARM11_REGISTER_SPSR_FIQ},
-
- {"r13_svc", 13, -1, ARM11_REGISTER_SVC},
- {"r14_svc", 14, -1, ARM11_REGISTER_SVC},
- {"spsr_svc", 0, -1, ARM11_REGISTER_SPSR_SVC},
-
- {"r13_abt", 13, -1, ARM11_REGISTER_ABT},
- {"r14_abt", 14, -1, ARM11_REGISTER_ABT},
- {"spsr_abt", 0, -1, ARM11_REGISTER_SPSR_ABT},
-
- {"r13_irq", 13, -1, ARM11_REGISTER_IRQ},
- {"r14_irq", 14, -1, ARM11_REGISTER_IRQ},
- {"spsr_irq", 0, -1, ARM11_REGISTER_SPSR_IRQ},
-
- {"r13_und", 13, -1, ARM11_REGISTER_UND},
- {"r14_und", 14, -1, ARM11_REGISTER_UND},
- {"spsr_und", 0, -1, ARM11_REGISTER_SPSR_UND},
-
- /* ARM1176 only */
- {"r13_mon", 13, -1, ARM11_REGISTER_MON},
- {"r14_mon", 14, -1, ARM11_REGISTER_MON},
- {"spsr_mon", 0, -1, ARM11_REGISTER_SPSR_MON},
+ {"r8_fiq", 8, -1, ARM11_REGISTER_FIQ},
+ {"r9_fiq", 9, -1, ARM11_REGISTER_FIQ},
+ {"r10_fiq", 10, -1, ARM11_REGISTER_FIQ},
+ {"r11_fiq", 11, -1, ARM11_REGISTER_FIQ},
+ {"r12_fiq", 12, -1, ARM11_REGISTER_FIQ},
+ {"r13_fiq", 13, -1, ARM11_REGISTER_FIQ},
+ {"r14_fiq", 14, -1, ARM11_REGISTER_FIQ},
+ {"spsr_fiq", 0, -1, ARM11_REGISTER_SPSR_FIQ},
+
+ {"r13_svc", 13, -1, ARM11_REGISTER_SVC},
+ {"r14_svc", 14, -1, ARM11_REGISTER_SVC},
+ {"spsr_svc", 0, -1, ARM11_REGISTER_SPSR_SVC},
+
+ {"r13_abt", 13, -1, ARM11_REGISTER_ABT},
+ {"r14_abt", 14, -1, ARM11_REGISTER_ABT},
+ {"spsr_abt", 0, -1, ARM11_REGISTER_SPSR_ABT},
+
+ {"r13_irq", 13, -1, ARM11_REGISTER_IRQ},
+ {"r14_irq", 14, -1, ARM11_REGISTER_IRQ},
+ {"spsr_irq", 0, -1, ARM11_REGISTER_SPSR_IRQ},
+
+ {"r13_und", 13, -1, ARM11_REGISTER_UND},
+ {"r14_und", 14, -1, ARM11_REGISTER_UND},
+ {"spsr_und", 0, -1, ARM11_REGISTER_SPSR_UND},
+
+ /* ARM1176 only */
+ {"r13_mon", 13, -1, ARM11_REGISTER_MON},
+ {"r14_mon", 14, -1, ARM11_REGISTER_MON},
+ {"spsr_mon", 0, -1, ARM11_REGISTER_SPSR_MON},
#endif
- /* Debug Registers */
- {"dscr", 0, -1, ARM11_REGISTER_DSCR},
- {"wdtr", 0, -1, ARM11_REGISTER_WDTR},
- {"rdtr", 0, -1, ARM11_REGISTER_RDTR},
+ /* Debug Registers */
+ {"dscr", 0, -1, ARM11_REGISTER_DSCR},
+ {"wdtr", 0, -1, ARM11_REGISTER_WDTR},
+ {"rdtr", 0, -1, ARM11_REGISTER_RDTR},
};
enum arm11_regcache_ids
{
- ARM11_RC_R0,
- ARM11_RC_RX = ARM11_RC_R0,
-
- ARM11_RC_R1,
- ARM11_RC_R2,
- ARM11_RC_R3,
- ARM11_RC_R4,
- ARM11_RC_R5,
- ARM11_RC_R6,
- ARM11_RC_R7,
- ARM11_RC_R8,
- ARM11_RC_R9,
- ARM11_RC_R10,
- ARM11_RC_R11,
- ARM11_RC_R12,
- ARM11_RC_R13,
- ARM11_RC_SP = ARM11_RC_R13,
- ARM11_RC_R14,
- ARM11_RC_LR = ARM11_RC_R14,
- ARM11_RC_R15,
- ARM11_RC_PC = ARM11_RC_R15,
+ ARM11_RC_R0,
+ ARM11_RC_RX = ARM11_RC_R0,
+
+ ARM11_RC_R1,
+ ARM11_RC_R2,
+ ARM11_RC_R3,
+ ARM11_RC_R4,
+ ARM11_RC_R5,
+ ARM11_RC_R6,
+ ARM11_RC_R7,
+ ARM11_RC_R8,
+ ARM11_RC_R9,
+ ARM11_RC_R10,
+ ARM11_RC_R11,
+ ARM11_RC_R12,
+ ARM11_RC_R13,
+ ARM11_RC_SP = ARM11_RC_R13,
+ ARM11_RC_R14,
+ ARM11_RC_LR = ARM11_RC_R14,
+ ARM11_RC_R15,
+ ARM11_RC_PC = ARM11_RC_R15,
#if ARM11_REGCACHE_FREGS
- ARM11_RC_F0,
- ARM11_RC_FX = ARM11_RC_F0,
- ARM11_RC_F1,
- ARM11_RC_F2,
- ARM11_RC_F3,
- ARM11_RC_F4,
- ARM11_RC_F5,
- ARM11_RC_F6,
- ARM11_RC_F7,
- ARM11_RC_FPS,
+ ARM11_RC_F0,
+ ARM11_RC_FX = ARM11_RC_F0,
+ ARM11_RC_F1,
+ ARM11_RC_F2,
+ ARM11_RC_F3,
+ ARM11_RC_F4,
+ ARM11_RC_F5,
+ ARM11_RC_F6,
+ ARM11_RC_F7,
+ ARM11_RC_FPS,
#endif
- ARM11_RC_CPSR,
+ ARM11_RC_CPSR,
#if ARM11_REGCACHE_MODEREGS
- ARM11_RC_R8_FIQ,
- ARM11_RC_R9_FIQ,
- ARM11_RC_R10_FIQ,
- ARM11_RC_R11_FIQ,
- ARM11_RC_R12_FIQ,
- ARM11_RC_R13_FIQ,
- ARM11_RC_R14_FIQ,
- ARM11_RC_SPSR_FIQ,
-
- ARM11_RC_R13_SVC,
- ARM11_RC_R14_SVC,
- ARM11_RC_SPSR_SVC,
-
- ARM11_RC_R13_ABT,
- ARM11_RC_R14_ABT,
- ARM11_RC_SPSR_ABT,
-
- ARM11_RC_R13_IRQ,
- ARM11_RC_R14_IRQ,
- ARM11_RC_SPSR_IRQ,
-
- ARM11_RC_R13_UND,
- ARM11_RC_R14_UND,
- ARM11_RC_SPSR_UND,
-
- ARM11_RC_R13_MON,
- ARM11_RC_R14_MON,
- ARM11_RC_SPSR_MON,
+ ARM11_RC_R8_FIQ,
+ ARM11_RC_R9_FIQ,
+ ARM11_RC_R10_FIQ,
+ ARM11_RC_R11_FIQ,
+ ARM11_RC_R12_FIQ,
+ ARM11_RC_R13_FIQ,
+ ARM11_RC_R14_FIQ,
+ ARM11_RC_SPSR_FIQ,
+
+ ARM11_RC_R13_SVC,
+ ARM11_RC_R14_SVC,
+ ARM11_RC_SPSR_SVC,
+
+ ARM11_RC_R13_ABT,
+ ARM11_RC_R14_ABT,
+ ARM11_RC_SPSR_ABT,
+
+ ARM11_RC_R13_IRQ,
+ ARM11_RC_R14_IRQ,
+ ARM11_RC_SPSR_IRQ,
+
+ ARM11_RC_R13_UND,
+ ARM11_RC_R14_UND,
+ ARM11_RC_SPSR_UND,
+
+ ARM11_RC_R13_MON,
+ ARM11_RC_R14_MON,
+ ARM11_RC_SPSR_MON,
#endif
- ARM11_RC_DSCR,
- ARM11_RC_WDTR,
- ARM11_RC_RDTR,
+ ARM11_RC_DSCR,
+ ARM11_RC_WDTR,
+ ARM11_RC_RDTR,
- ARM11_RC_MAX,
+ ARM11_RC_MAX,
};
#define ARM11_GDB_REGISTER_COUNT 26
@@ -295,14 +292,14 @@ u8 arm11_gdb_dummy_fp_value[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
reg_t arm11_gdb_dummy_fp_reg =
{
- "GDB dummy floating-point register", arm11_gdb_dummy_fp_value, 0, 1, 96, NULL, 0, NULL, 0
+ "GDB dummy floating-point register", arm11_gdb_dummy_fp_value, 0, 1, 96, NULL, 0, NULL, 0
};
u8 arm11_gdb_dummy_fps_value[] = {0, 0, 0, 0};
reg_t arm11_gdb_dummy_fps_reg =
{
- "GDB dummy floating-point status register", arm11_gdb_dummy_fps_value, 0, 1, 32, NULL, 0, NULL, 0
+ "GDB dummy floating-point status register", arm11_gdb_dummy_fps_value, 0, 1, 32, NULL, 0, NULL, 0
};
@@ -311,23 +308,23 @@ reg_t arm11_gdb_dummy_fps_reg =
*
* \param arm11 Target state variable.
* \param dscr If the current DSCR content is
- * available a pointer to a word holding the
- * DSCR can be passed. Otherwise use NULL.
+ * available a pointer to a word holding the
+ * DSCR can be passed. Otherwise use NULL.
*/
void arm11_check_init(arm11_common_t * arm11, u32 * dscr)
{
- FNC_INFO;
+ FNC_INFO;
- u32 dscr_local_tmp_copy;
+ u32 dscr_local_tmp_copy;
- if (!dscr)
- {
+ if (!dscr)
+ {
dscr = &dscr_local_tmp_copy;
*dscr = arm11_read_DSCR(arm11);
- }
+ }
- if (!(*dscr & ARM11_DSCR_MODE_SELECT))
- {
+ if (!(*dscr & ARM11_DSCR_MODE_SELECT))
+ {
LOG_DEBUG("Bringing target into debug mode");
*dscr |= ARM11_DSCR_MODE_SELECT; /* Halt debug-mode */
@@ -339,27 +336,27 @@ void arm11_check_init(arm11_common_t * arm11, u32 * dscr)
if (*dscr & ARM11_DSCR_CORE_HALTED)
{
- /** \todo TODO: this needs further scrutiny because
- * arm11_on_enter_debug_state() never gets properly called
- */
+ /** \todo TODO: this needs further scrutiny because
+ * arm11_on_enter_debug_state() never gets properly called
+ */
- arm11->target->state = TARGET_HALTED;
- arm11->target->debug_reason = arm11_get_DSCR_debug_reason(*dscr);
+ arm11->target->state = TARGET_HALTED;
+ arm11->target->debug_reason = arm11_get_DSCR_debug_reason(*dscr);
}
else
{
- arm11->target->state = TARGET_RUNNING;
- arm11->target->debug_reason = DBG_REASON_NOTHALTED;
+ arm11->target->state = TARGET_RUNNING;
+ arm11->target->debug_reason = DBG_REASON_NOTHALTED;
}
arm11_sc7_clear_vbw(arm11);
- }
+ }
}
#define R(x) \
- (arm11->reg_values[ARM11_RC_##x])
+ (arm11->reg_values[ARM11_RC_##x])
/** Save processor state.
*
@@ -369,23 +366,23 @@ void arm11_check_init(arm11_common_t * arm11, u32 * dscr)
*/
static void arm11_on_enter_debug_state(arm11_common_t * arm11)
{
- FNC_INFO;
+ FNC_INFO;
- {size_t i;
- for(i = 0; i < asizeof(arm11->reg_values); i++)
- {
+ {size_t i;
+ for(i = 0; i < asizeof(arm11->reg_values); i++)
+ {
arm11->reg_list[i].valid = 1;
arm11->reg_list[i].dirty = 0;
- }}
+ }}
- /* Save DSCR */
+ /* Save DSCR */
- R(DSCR) = arm11_read_DSCR(arm11);
+ R(DSCR) = arm11_read_DSCR(arm11);
- /* Save wDTR */
+ /* Save wDTR */
- if (R(DSCR) & ARM11_DSCR_WDTR_FULL)
- {
+ if (R(DSCR) & ARM11_DSCR_WDTR_FULL)
+ {
arm11_add_debug_SCAN_N(arm11, 0x05, -1);
arm11_add_IR(arm11, ARM11_INTEST, -1);
@@ -397,37 +394,37 @@ static void arm11_on_enter_debug_state(arm11_common_t * arm11)
arm11_setup_field(arm11, 1, NULL, NULL, chain5_fields + 2);
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_PD);
- }
- else
- {
+ }
+ else
+ {
arm11->reg_list[ARM11_RC_WDTR].valid = 0;
- }
+ }
- /* DSCR: set ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE */
- /* ARM1176 spec says this is needed only for wDTR/rDTR's "ITR mode", but not to issue ITRs
- ARM1136 seems to require this to issue ITR's as well */
+ /* DSCR: set ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE */
+ /* ARM1176 spec says this is needed only for wDTR/rDTR's "ITR mode", but not to issue ITRs
+ ARM1136 seems to require this to issue ITR's as well */
- u32 new_dscr = R(DSCR) | ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE;
+ u32 new_dscr = R(DSCR) | ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE;
- /* this executes JTAG queue: */
+ /* this executes JTAG queue: */
- arm11_write_DSCR(arm11, new_dscr);
+ arm11_write_DSCR(arm11, new_dscr);
- /* From the spec:
+ /* From the spec:
Before executing any instruction in debug state you have to drain the write buffer.
- This ensures that no imprecise Data Aborts can return at a later point:*/
+ This ensures that no imprecise Data Aborts can return at a later point:*/
- /** \todo TODO: Test drain write buffer. */
+ /** \todo TODO: Test drain write buffer. */
#if 0
- while (1)
- {
+ while (1)
+ {
/* MRC p14,0,R0,c5,c10,0 */
// arm11_run_instr_no_data1(arm11, /*0xee150e1a*/0xe320f000);
- /* mcr 15, 0, r0, cr7, cr10, {4} */
+ /* mcr 15, 0, r0, cr7, cr10, {4} */
arm11_run_instr_no_data1(arm11, 0xee070f9a);
u32 dscr = arm11_read_DSCR(arm11);
@@ -436,74 +433,71 @@ static void arm11_on_enter_debug_state(arm11_common_t * arm11)
if (dscr & ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT)
{
- arm11_run_instr_no_data1(arm11, 0xe320f000);
+ arm11_run_instr_no_data1(arm11, 0xe320f000);
- dscr = arm11_read_DSCR(arm11);
+ dscr = arm11_read_DSCR(arm11);
- LOG_DEBUG("DRAIN, DSCR %08x (DONE)", dscr);
+ LOG_DEBUG("DRAIN, DSCR %08x (DONE)", dscr);
- break;
+ break;
+ }
}
- }
#endif
+ arm11_run_instr_data_prepare(arm11);
- arm11_run_instr_data_prepare(arm11);
-
- /* save r0 - r14 */
+ /* save r0 - r14 */
+ /** \todo TODO: handle other mode registers */
- /** \todo TODO: handle other mode registers */
-
- {size_t i;
- for (i = 0; i < 15; i++)
- {
+ {size_t i;
+ for (i = 0; i < 15; i++)
+ {
/* MCR p14,0,R?,c0,c5,0 */
arm11_run_instr_data_from_core(arm11, 0xEE000E15 | (i << 12), &R(RX + i), 1);
- }}
-
+ }}
- /* save rDTR */
+ /* save rDTR */
- /* check rDTRfull in DSCR */
+ /* check rDTRfull in DSCR */
- if (R(DSCR) & ARM11_DSCR_RDTR_FULL)
- {
+ if (R(DSCR) & ARM11_DSCR_RDTR_FULL)
+ {
/* MRC p14,0,R0,c0,c5,0 (move rDTR -> r0 (-> wDTR -> local var)) */
arm11_run_instr_data_from_core_via_r0(arm11, 0xEE100E15, &R(RDTR));
- }
- else
- {
+ }
+ else
+ {
arm11->reg_list[ARM11_RC_RDTR].valid = 0;
- }
+ }
- /* save CPSR */
+ /* save CPSR */
- /* MRS r0,CPSR (move CPSR -> r0 (-> wDTR -> local var)) */
- arm11_run_instr_data_from_core_via_r0(arm11, 0xE10F0000, &R(CPSR));
+ /* MRS r0,CPSR (move CPSR -> r0 (-> wDTR -> local var)) */
+ arm11_run_instr_data_from_core_via_r0(arm11, 0xE10F0000, &R(CPSR));
- /* save PC */
+ /* save PC */
- /* MOV R0,PC (move PC -> r0 (-> wDTR -> local var)) */
- arm11_run_instr_data_from_core_via_r0(arm11, 0xE1A0000F, &R(PC));
+ /* MOV R0,PC (move PC -> r0 (-> wDTR -> local var)) */
+ arm11_run_instr_data_from_core_via_r0(arm11, 0xE1A0000F, &R(PC));
- /* adjust PC depending on ARM state */
+ /* adjust PC depending on ARM state */
- if (R(CPSR) & ARM11_CPSR_J) /* Java state */
- {
+ if (R(CPSR) & ARM11_CPSR_J) /* Java state */
+ {
arm11->reg_values[ARM11_RC_PC] -= 0;
- }
- else if (R(CPSR) & ARM11_CPSR_T) /* Thumb state */
- {
+ }
+ else if (R(CPSR) & ARM11_CPSR_T) /* Thumb state */
+ {
arm11->reg_values[ARM11_RC_PC] -= 4;
- }
- else /* ARM state */
- {
+ }
+ else /* ARM state */
+ {
arm11->reg_values[ARM11_RC_PC] -= 8;
- }
+ }
- if (arm11->simulate_reset_on_next_halt)
- {
+ if (arm11->simulate_reset_on_next_halt)
+ {
arm11->simulate_reset_on_next_halt = false;
LOG_DEBUG("Reset c1 Control Register");
@@ -513,39 +507,38 @@ static void arm11_on_enter_debug_state(arm11_common_t * arm11)
/* MCR p15,0,R0,c1,c0,0 */
arm11_run_instr_data_to_core_via_r0(arm11, 0xee010f10, 0);
- }
+ }
- arm11_run_instr_data_finish(arm11);
+ arm11_run_instr_data_finish(arm11);
- arm11_dump_reg_changes(arm11);
+ arm11_dump_reg_changes(arm11);
}
void arm11_dump_reg_changes(arm11_common_t * arm11)
{
- {size_t i;
- for(i = 0; i < ARM11_REGCACHE_COUNT; i++)
- {
+ {size_t i;
+ for(i = 0; i < ARM11_REGCACHE_COUNT; i++)
+ {
if (!arm11->reg_list[i].valid)
{
- if (arm11->reg_history[i].valid)
- LOG_INFO("%8s INVALID (%08x)", arm11_reg_defs[i].name, arm11->reg_history[i].value);
+ if (arm11->reg_history[i].valid)
+ LOG_INFO("%8s INVALID (%08x)", arm11_reg_defs[i].name, arm11->reg_history[i].value);
}
else
{
- if (arm11->reg_history[i].valid)
- {
+ if (arm11->reg_history[i].valid)
+ {
if (arm11->reg_history[i].value != arm11->reg_values[i])
- LOG_INFO("%8s %08x (%08x)", arm11_reg_defs[i].name, arm11->reg_values[i], arm11->reg_history[i].value);
- }
- else
- {
+ LOG_INFO("%8s %08x (%08x)", arm11_reg_defs[i].name, arm11->reg_values[i], arm11->reg_history[i].value);
+ }
+ else
+ {
LOG_INFO("%8s %08x (INVALID)", arm11_reg_defs[i].name, arm11->reg_values[i]);
- }
+ }
}
- }}
+ }}
}
-
/** Restore processor state
*
* This is called in preparation for the RESTART function.
@@ -553,271 +546,262 @@ void arm11_dump_reg_changes(arm11_common_t * arm11)
*/
void arm11_leave_debug_state(arm11_common_t * arm11)
{
- FNC_INFO;
+ FNC_INFO;
- arm11_run_instr_data_prepare(arm11);
+ arm11_run_instr_data_prepare(arm11);
- /** \todo TODO: handle other mode registers */
+ /** \todo TODO: handle other mode registers */
- /* restore R1 - R14 */
- {size_t i;
- for (i = 1; i < 15; i++)
- {
+ /* restore R1 - R14 */
+ {size_t i;
+ for (i = 1; i < 15; i++)
+ {
if (!arm11->reg_list[ARM11_RC_RX + i].dirty)
- continue;
+ continue;
/* MRC p14,0,r?,c0,c5,0 */
arm11_run_instr_data_to_core1(arm11, 0xee100e15 | (i << 12), R(RX + i));
// LOG_DEBUG("RESTORE R" ZU " %08x", i, R(RX + i));
- }}
-
- arm11_run_instr_data_finish(arm11);
+ }}
+ arm11_run_instr_data_finish(arm11);
- /* spec says clear wDTR and rDTR; we assume they are clear as
- otherwise our programming would be sloppy */
+ /* spec says clear wDTR and rDTR; we assume they are clear as
+ otherwise our programming would be sloppy */
- {
+ {
u32 DSCR = arm11_read_DSCR(arm11);
if (DSCR & (ARM11_DSCR_RDTR_FULL | ARM11_DSCR_WDTR_FULL))
{
- LOG_ERROR("wDTR/rDTR inconsistent (DSCR %08x)", DSCR);
+ LOG_ERROR("wDTR/rDTR inconsistent (DSCR %08x)", DSCR);
+ }
}
- }
- arm11_run_instr_data_prepare(arm11);
+ arm11_run_instr_data_prepare(arm11);
- /* restore original wDTR */
+ /* restore original wDTR */
- if ((R(DSCR) & ARM11_DSCR_WDTR_FULL) || arm11->reg_list[ARM11_RC_WDTR].dirty)
- {
+ if ((R(DSCR) & ARM11_DSCR_WDTR_FULL) || arm11->reg_list[ARM11_RC_WDTR].dirty)
+ {
/* MCR p14,0,R0,c0,c5,0 */
arm11_run_instr_data_to_core_via_r0(arm11, 0xee000e15, R(WDTR));
- }
-
- /* restore CPSR */
-
- /* MSR CPSR,R0*/
- arm11_run_instr_data_to_core_via_r0(arm11, 0xe129f000, R(CPSR));
-
-
- /* restore PC */
+ }
- /* MOV PC,R0 */
- arm11_run_instr_data_to_core_via_r0(arm11, 0xe1a0f000, R(PC));
+ /* restore CPSR */
+ /* MSR CPSR,R0*/
+ arm11_run_instr_data_to_core_via_r0(arm11, 0xe129f000, R(CPSR));
- /* restore R0 */
+ /* restore PC */
- /* MRC p14,0,r0,c0,c5,0 */
- arm11_run_instr_data_to_core1(arm11, 0xee100e15, R(R0));
+ /* MOV PC,R0 */
+ arm11_run_instr_data_to_core_via_r0(arm11, 0xe1a0f000, R(PC));
- arm11_run_instr_data_finish(arm11);
+ /* restore R0 */
+ /* MRC p14,0,r0,c0,c5,0 */
+ arm11_run_instr_data_to_core1(arm11, 0xee100e15, R(R0));
- /* restore DSCR */
+ arm11_run_instr_data_finish(arm11);
- arm11_write_DSCR(arm11, R(DSCR));
+ /* restore DSCR */
+ arm11_write_DSCR(arm11, R(DSCR));
- /* restore rDTR */
+ /* restore rDTR */
- if (R(DSCR) & ARM11_DSCR_RDTR_FULL || arm11->reg_list[ARM11_RC_RDTR].dirty)
- {
+ if (R(DSCR) & ARM11_DSCR_RDTR_FULL || arm11->reg_list[ARM11_RC_RDTR].dirty)
+ {
arm11_add_debug_SCAN_N(arm11, 0x05, -1);
arm11_add_IR(arm11, ARM11_EXTEST, -1);
scan_field_t chain5_fields[3];
- u8 Ready = 0; /* ignored */
- u8 Valid = 0; /* ignored */
+ u8 Ready = 0; /* ignored */
+ u8 Valid = 0; /* ignored */
arm11_setup_field(arm11, 32, &R(RDTR), NULL, chain5_fields + 0);
arm11_setup_field(arm11, 1, &Ready, NULL, chain5_fields + 1);
arm11_setup_field(arm11, 1, &Valid, NULL, chain5_fields + 2);
arm11_add_dr_scan_vc(asizeof(chain5_fields), chain5_fields, TAP_PD);
- }
+ }
- arm11_record_register_history(arm11);
+ arm11_record_register_history(arm11);
}
void arm11_record_register_history(arm11_common_t * arm11)
{
- {size_t i;
- for(i = 0; i < ARM11_REGCACHE_COUNT; i++)
- {
+ {size_t i;
+ for(i = 0; i < ARM11_REGCACHE_COUNT; i++)
+ {
arm11->reg_history[i].value = arm11->reg_values[i];
arm11->reg_history[i].valid = arm11->reg_list[i].valid;
arm11->reg_list[i].valid = 0;
arm11->reg_list[i].dirty = 0;
- }}
+ }}
}
/* poll current target status */
int arm11_poll(struct target_s *target)
{
- FNC_INFO;
+ FNC_INFO;
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- if (arm11->trst_active)
+ if (arm11->trst_active)
return ERROR_OK;
- u32 dscr = arm11_read_DSCR(arm11);
+ u32 dscr = arm11_read_DSCR(arm11);
- LOG_DEBUG("DSCR %08x", dscr);
+ LOG_DEBUG("DSCR %08x", dscr);
- arm11_check_init(arm11, &dscr);
+ arm11_check_init(arm11, &dscr);
- if (dscr & ARM11_DSCR_CORE_HALTED)
- {
+ if (dscr & ARM11_DSCR_CORE_HALTED)
+ {
if (target->state != TARGET_HALTED)
{
- enum target_state old_state = target->state;
+ enum target_state old_state = target->state;
- LOG_DEBUG("enter TARGET_HALTED");
- target->state = TARGET_HALTED;
- target->debug_reason = arm11_get_DSCR_debug_reason(dscr);
- arm11_on_enter_debug_state(arm11);
+ LOG_DEBUG("enter TARGET_HALTED");
+ target->state = TARGET_HALTED;
+ target->debug_reason = arm11_get_DSCR_debug_reason(dscr);
+ arm11_on_enter_debug_state(arm11);
- target_call_event_callbacks(target,
+ target_call_event_callbacks(target,
old_state == TARGET_DEBUG_RUNNING ? TARGET_EVENT_DEBUG_HALTED : TARGET_EVENT_HALTED);
}
- }
- else
- {
+ }
+ else
+ {
if (target->state != TARGET_RUNNING && target->state != TARGET_DEBUG_RUNNING)
{
- LOG_DEBUG("enter TARGET_RUNNING");
- target->state = TARGET_RUNNING;
- target->debug_reason = DBG_REASON_NOTHALTED;
+ LOG_DEBUG("enter TARGET_RUNNING");
+ target->state = TARGET_RUNNING;
+ target->debug_reason = DBG_REASON_NOTHALTED;
+ }
}
- }
- return ERROR_OK;
+ return ERROR_OK;
}
/* architecture specific status reply */
int arm11_arch_state(struct target_s *target)
{
- FNC_INFO_NOTIMPLEMENTED;
+ FNC_INFO_NOTIMPLEMENTED;
- return ERROR_OK;
+ return ERROR_OK;
}
-
/* target request support */
int arm11_target_request_data(struct target_s *target, u32 size, u8 *buffer)
{
- FNC_INFO_NOTIMPLEMENTED;
+ FNC_INFO_NOTIMPLEMENTED;
- return ERROR_OK;
+ return ERROR_OK;
}
-
-
/* target execution control */
int arm11_halt(struct target_s *target)
{
- FNC_INFO;
+ FNC_INFO;
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- LOG_DEBUG("target->state: %s",
- Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
- if (target->state == TARGET_UNKNOWN)
- {
+ if (target->state == TARGET_UNKNOWN)
+ {
arm11->simulate_reset_on_next_halt = true;
- }
+ }
- if (target->state == TARGET_HALTED)
- {
+ if (target->state == TARGET_HALTED)
+ {
LOG_DEBUG("target was already halted");
return ERROR_OK;
- }
+ }
- if (arm11->trst_active)
- {
+ if (arm11->trst_active)
+ {
arm11->halt_requested = true;
return ERROR_OK;
- }
+ }
- arm11_add_IR(arm11, ARM11_HALT, TAP_RTI);
+ arm11_add_IR(arm11, ARM11_HALT, TAP_RTI);
- jtag_execute_queue();
+ jtag_execute_queue();
- u32 dscr;
+ u32 dscr;
- while (1)
- {
+ while (1)
+ {
dscr = arm11_read_DSCR(arm11);
if (dscr & ARM11_DSCR_CORE_HALTED)
- break;
- }
+ break;
+ }
- arm11_on_enter_debug_state(arm11);
+ arm11_on_enter_debug_state(arm11);
- enum target_state old_state = target->state;
+ enum target_state old_state = target->state;
- target->state = TARGET_HALTED;
- target->debug_reason = arm11_get_DSCR_debug_reason(dscr);
+ target->state = TARGET_HALTED;
+ target->debug_reason = arm11_get_DSCR_debug_reason(dscr);
- target_call_event_callbacks(target,
+ target_call_event_callbacks(target,
old_state == TARGET_DEBUG_RUNNING ? TARGET_EVENT_DEBUG_HALTED : TARGET_EVENT_HALTED);
- return ERROR_OK;
+ return ERROR_OK;
}
-
int arm11_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
{
- FNC_INFO;
+ FNC_INFO;
-// LOG_DEBUG("current %d address %08x handle_breakpoints %d debug_execution %d",
+// LOG_DEBUG("current %d address %08x handle_breakpoints %d debug_execution %d",
// current, address, handle_breakpoints, debug_execution);
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- LOG_DEBUG("target->state: %s",
- Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
- if (target->state != TARGET_HALTED)
+ if (target->state != TARGET_HALTED)
{
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
- if (!current)
+ if (!current)
R(PC) = address;
- LOG_INFO("RESUME PC %08x%s", R(PC), !current ? "!" : "");
+ LOG_INFO("RESUME PC %08x%s", R(PC), !current ? "!" : "");
- /* clear breakpoints/watchpoints and VCR*/
- arm11_sc7_clear_vbw(arm11);
+ /* clear breakpoints/watchpoints and VCR*/
+ arm11_sc7_clear_vbw(arm11);
- /* Set up breakpoints */
- if (!debug_execution)
- {
+ /* Set up breakpoints */
+ if (!debug_execution)
+ {
/* check if one matches PC and step over it if necessary */
breakpoint_t * bp;
for (bp = target->breakpoints; bp; bp = bp->next)
{
- if (bp->address == R(PC))
- {
+ if (bp->address == R(PC))
+ {
LOG_DEBUG("must step over %08x", bp->address);
arm11_step(target, 1, 0, 0);
break;
- }
+ }
}
/* set all breakpoints */
@@ -826,108 +810,107 @@ int arm11_resume(struct target_s *target, int current, u32 address, int handle_b
for (bp = target->breakpoints; bp; bp = bp->next)
{
- arm11_sc7_action_t brp[2];
+ arm11_sc7_action_t brp[2];
- brp[0].write = 1;
- brp[0].address = ARM11_SC7_BVR0 + brp_num;
- brp[0].value = bp->address;
- brp[1].write = 1;
- brp[1].address = ARM11_SC7_BCR0 + brp_num;
- brp[1].value = 0x1 | (3 << 1) | (0x0F << 5) | (0 << 14) | (0 << 16) | (0 << 20) | (0 << 21);
+ brp[0].write = 1;
+ brp[0].address = ARM11_SC7_BVR0 + brp_num;
+ brp[0].value = bp->address;
+ brp[1].write = 1;
+ brp[1].address = ARM11_SC7_BCR0 + brp_num;
+ brp[1].value = 0x1 | (3 << 1) | (0x0F << 5) | (0 << 14) | (0 << 16) | (0 << 20) | (0 << 21);
- arm11_sc7_run(arm11, brp, asizeof(brp));
+ arm11_sc7_run(arm11, brp, asizeof(brp));
- LOG_DEBUG("Add BP " ZU " at %08x", brp_num, bp->address);
+ LOG_DEBUG("Add BP " ZU " at %08x", brp_num, bp->address);
- brp_num++;
+ brp_num++;
}
arm11_sc7_set_vcr(arm11, arm11_vcr);
- }
-
+ }
- arm11_leave_debug_state(arm11);
+ arm11_leave_debug_state(arm11);
- arm11_add_IR(arm11, ARM11_RESTART, TAP_RTI);
+ arm11_add_IR(arm11, ARM11_RESTART, TAP_RTI);
- jtag_execute_queue();
+ jtag_execute_queue();
- while (1)
- {
+ while (1)
+ {
u32 dscr = arm11_read_DSCR(arm11);
LOG_DEBUG("DSCR %08x", dscr);
if (dscr & ARM11_DSCR_CORE_RESTARTED)
- break;
- }
+ break;
+ }
- if (!debug_execution)
- {
+ if (!debug_execution)
+ {
target->state = TARGET_RUNNING;
target->debug_reason = DBG_REASON_NOTHALTED;
target_call_event_callbacks(target, TARGET_EVENT_RESUMED);
- }
- else
- {
+ }
+ else
+ {
target->state = TARGET_DEBUG_RUNNING;
target->debug_reason = DBG_REASON_NOTHALTED;
target_call_event_callbacks(target, TARGET_EVENT_DEBUG_RESUMED);
- }
+ }
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_step(struct target_s *target, int current, u32 address, int handle_breakpoints)
{
- FNC_INFO;
+ FNC_INFO;
- LOG_DEBUG("target->state: %s",
- Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
- if (target->state != TARGET_HALTED)
- {
+ if (target->state != TARGET_HALTED)
+ {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
- }
+ }
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- if (!current)
+ if (!current)
R(PC) = address;
- LOG_INFO("STEP PC %08x%s", R(PC), !current ? "!" : "");
+ LOG_INFO("STEP PC %08x%s", R(PC), !current ? "!" : "");
- /** \todo TODO: Thumb not supported here */
+ /** \todo TODO: Thumb not supported here */
- u32 next_instruction;
+ u32 next_instruction;
- arm11_read_memory_word(arm11, R(PC), &next_instruction);
+ arm11_read_memory_word(arm11, R(PC), &next_instruction);
- /* skip over BKPT */
- if ((next_instruction & 0xFFF00070) == 0xe1200070)
- {
+ /* skip over BKPT */
+ if ((next_instruction & 0xFFF00070) == 0xe1200070)
+ {
R(PC) += 4;
arm11->reg_list[ARM11_RC_PC].valid = 1;
arm11->reg_list[ARM11_RC_PC].dirty = 0;
LOG_INFO("Skipping BKPT");
- }
- /* skip over Wait for interrupt / Standby */
- /* mcr 15, 0, r?, cr7, cr0, {4} */
- else if ((next_instruction & 0xFFFF0FFF) == 0xee070f90)
- {
+ }
+ /* skip over Wait for interrupt / Standby */
+ /* mcr 15, 0, r?, cr7, cr0, {4} */
+ else if ((next_instruction & 0xFFFF0FFF) == 0xee070f90)
+ {
R(PC) += 4;
arm11->reg_list[ARM11_RC_PC].valid = 1;
arm11->reg_list[ARM11_RC_PC].dirty = 0;
LOG_INFO("Skipping WFI");
- }
- /* ignore B to self */
- else if ((next_instruction & 0xFEFFFFFF) == 0xeafffffe)
- {
+ }
+ /* ignore B to self */
+ else if ((next_instruction & 0xFEFFFFFF) == 0xeafffffe)
+ {
LOG_INFO("Not stepping jump to self");
- }
- else
- {
+ }
+ else
+ {
/** \todo TODO: check if break-/watchpoints make any sense at all in combination
* with this. */
@@ -962,11 +945,11 @@ int arm11_step(struct target_s *target, int current, u32 address, int handle_bre
while (1)
{
- u32 dscr = arm11_read_DSCR(arm11);
+ u32 dscr = arm11_read_DSCR(arm11);
- LOG_DEBUG("DSCR %08x", dscr);
+ LOG_DEBUG("DSCR %08x", dscr);
- if ((dscr & (ARM11_DSCR_CORE_RESTARTED | ARM11_DSCR_CORE_HALTED)) ==
+ if ((dscr & (ARM11_DSCR_CORE_RESTARTED | ARM11_DSCR_CORE_HALTED)) ==
(ARM11_DSCR_CORE_RESTARTED | ARM11_DSCR_CORE_HALTED))
break;
}
@@ -976,154 +959,149 @@ int arm11_step(struct target_s *target, int current, u32 address, int handle_bre
/* save state */
arm11_on_enter_debug_state(arm11);
- }
+ }
-// target->state = TARGET_HALTED;
- target->debug_reason = DBG_REASON_SINGLESTEP;
+// target->state = TARGET_HALTED;
+ target->debug_reason = DBG_REASON_SINGLESTEP;
- target_call_event_callbacks(target, TARGET_EVENT_HALTED);
+ target_call_event_callbacks(target, TARGET_EVENT_HALTED);
- return ERROR_OK;
+ return ERROR_OK;
}
-
/* target reset control */
int arm11_assert_reset(struct target_s *target)
{
- FNC_INFO;
+ FNC_INFO;
#if 0
- /* assert reset lines */
- /* resets only the DBGTAP, not the ARM */
+ /* assert reset lines */
+ /* resets only the DBGTAP, not the ARM */
- jtag_add_reset(1, 0);
- jtag_add_sleep(5000);
+ jtag_add_reset(1, 0);
+ jtag_add_sleep(5000);
- arm11_common_t * arm11 = target->arch_info;
- arm11->trst_active = true;
+ arm11_common_t * arm11 = target->arch_info;
+ arm11->trst_active = true;
#endif
- if (target->reset_halt)
- {
- int retval;
+ if (target->reset_halt)
+ {
+ int retval;
if ((retval = target_halt(target))!=ERROR_OK)
return retval;
- }
+ }
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_deassert_reset(struct target_s *target)
{
- FNC_INFO;
+ FNC_INFO;
#if 0
- LOG_DEBUG("target->state: %s",
- Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
- /* deassert reset lines */
- jtag_add_reset(0, 0);
+ /* deassert reset lines */
+ jtag_add_reset(0, 0);
- arm11_common_t * arm11 = target->arch_info;
- arm11->trst_active = false;
+ arm11_common_t * arm11 = target->arch_info;
+ arm11->trst_active = false;
- if (arm11->halt_requested)
+ if (arm11->halt_requested)
return arm11_halt(target);
#endif
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_soft_reset_halt(struct target_s *target)
{
- FNC_INFO_NOTIMPLEMENTED;
+ FNC_INFO_NOTIMPLEMENTED;
- return ERROR_OK;
+ return ERROR_OK;
}
-
-
/* target register access for gdb */
int arm11_get_gdb_reg_list(struct target_s *target, struct reg_s **reg_list[], int *reg_list_size)
{
- FNC_INFO;
+ FNC_INFO;
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- *reg_list_size = ARM11_GDB_REGISTER_COUNT;
- *reg_list = malloc(sizeof(reg_t*) * ARM11_GDB_REGISTER_COUNT);
+ *reg_list_size = ARM11_GDB_REGISTER_COUNT;
+ *reg_list = malloc(sizeof(reg_t*) * ARM11_GDB_REGISTER_COUNT);
- {size_t i;
- for (i = 16; i < 24; i++)
- {
+ {size_t i;
+ for (i = 16; i < 24; i++)
+ {
(*reg_list)[i] = &arm11_gdb_dummy_fp_reg;
- }}
-
- (*reg_list)[24] = &arm11_gdb_dummy_fps_reg;
+ }}
+ (*reg_list)[24] = &arm11_gdb_dummy_fps_reg;
- {size_t i;
- for (i = 0; i < ARM11_REGCACHE_COUNT; i++)
- {
+ {size_t i;
+ for (i = 0; i < ARM11_REGCACHE_COUNT; i++)
+ {
if (arm11_reg_defs[i].gdb_num == -1)
- continue;
+ continue;
(*reg_list)[arm11_reg_defs[i].gdb_num] = arm11->reg_list + i;
- }}
+ }}
- return ERROR_OK;
+ return ERROR_OK;
}
-
/* target memory access
* size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit)
* count: number of items of <size>
*/
int arm11_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
{
- /** \todo TODO: check if buffer cast to u32* and u16* might cause alignment problems */
+ /** \todo TODO: check if buffer cast to u32* and u16* might cause alignment problems */
- FNC_INFO;
+ FNC_INFO;
- if (target->state != TARGET_HALTED)
- {
+ if (target->state != TARGET_HALTED)
+ {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
- }
+ }
- LOG_DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
+ LOG_DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- arm11_run_instr_data_prepare(arm11);
+ arm11_run_instr_data_prepare(arm11);
- /* MRC p14,0,r0,c0,c5,0 */
- arm11_run_instr_data_to_core1(arm11, 0xee100e15, address);
+ /* MRC p14,0,r0,c0,c5,0 */
+ arm11_run_instr_data_to_core1(arm11, 0xee100e15, address);
- switch (size)
- {
- case 1:
+ switch (size)
+ {
+ case 1:
/** \todo TODO: check if dirty is the right choice to force a rewrite on arm11_resume() */
arm11->reg_list[ARM11_RC_R1].dirty = 1;
{size_t i;
for (i = 0; i < count; i++)
{
- /* ldrb r1, [r0], #1 */
- arm11_run_instr_no_data1(arm11, 0xe4d01001);
+ /* ldrb r1, [r0], #1 */
+ arm11_run_instr_no_data1(arm11, 0xe4d01001);
- u32 res;
- /* MCR p14,0,R1,c0,c5,0 */
- arm11_run_instr_data_from_core(arm11, 0xEE001E15, &res, 1);
+ u32 res;
+ /* MCR p14,0,R1,c0,c5,0 */
+ arm11_run_instr_data_from_core(arm11, 0xEE001E15, &res, 1);
- *buffer++ = res;
+ *buffer++ = res;
}}
break;
- case 2:
- {
+ case 2:
+ {
arm11->reg_list[ARM11_RC_R1].dirty = 1;
u16 * buf16 = (u16*)buffer;
@@ -1131,72 +1109,72 @@ int arm11_read_memory(struct target_s *target, u32 address, u32 size, u32 count,
{size_t i;
for (i = 0; i < count; i++)
{
- /* ldrh r1, [r0], #2 */
- arm11_run_instr_no_data1(arm11, 0xe0d010b2);
+ /* ldrh r1, [r0], #2 */
+ arm11_run_instr_no_data1(arm11, 0xe0d010b2);
- u32 res;
+ u32 res;
- /* MCR p14,0,R1,c0,c5,0 */
- arm11_run_instr_data_from_core(arm11, 0xEE001E15, &res, 1);
+ /* MCR p14,0,R1,c0,c5,0 */
+ arm11_run_instr_data_from_core(arm11, 0xEE001E15, &res, 1);
- *buf16++ = res;
+ *buf16++ = res;
}}
break;
- }
+ }
- case 4:
+ case 4:
/* LDC p14,c5,[R0],#4 */
arm11_run_instr_data_from_core(arm11, 0xecb05e01, (u32 *)buffer, count);
break;
- }
+ }
- arm11_run_instr_data_finish(arm11);
+ arm11_run_instr_data_finish(arm11);
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
{
- FNC_INFO;
+ FNC_INFO;
- if (target->state != TARGET_HALTED)
- {
+ if (target->state != TARGET_HALTED)
+ {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
- }
+ }
- LOG_DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
+ LOG_DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- arm11_run_instr_data_prepare(arm11);
+ arm11_run_instr_data_prepare(arm11);
- /* MRC p14,0,r0,c0,c5,0 */
- arm11_run_instr_data_to_core1(arm11, 0xee100e15, address);
+ /* MRC p14,0,r0,c0,c5,0 */
+ arm11_run_instr_data_to_core1(arm11, 0xee100e15, address);
- switch (size)
- {
- case 1:
- {
+ switch (size)
+ {
+ case 1:
+ {
arm11->reg_list[ARM11_RC_R1].dirty = 1;
{size_t i;
for (i = 0; i < count; i++)
{
- /* MRC p14,0,r1,c0,c5,0 */
- arm11_run_instr_data_to_core1(arm11, 0xee101e15, *buffer++);
+ /* MRC p14,0,r1,c0,c5,0 */
+ arm11_run_instr_data_to_core1(arm11, 0xee101e15, *buffer++);
- /* strb r1, [r0], #1 */
- arm11_run_instr_no_data1(arm11, 0xe4c01001);
+ /* strb r1, [r0], #1 */
+ arm11_run_instr_no_data1(arm11, 0xe4c01001);
}}
break;
- }
+ }
- case 2:
- {
+ case 2:
+ {
arm11->reg_list[ARM11_RC_R1].dirty = 1;
u16 * buf16 = (u16*)buffer;
@@ -1204,36 +1182,36 @@ int arm11_write_memory(struct target_s *target, u32 address, u32 size, u32 count
{size_t i;
for (i = 0; i < count; i++)
{
- /* MRC p14,0,r1,c0,c5,0 */
- arm11_run_instr_data_to_core1(arm11, 0xee101e15, *buf16++);
+ /* MRC p14,0,r1,c0,c5,0 */
+ arm11_run_instr_data_to_core1(arm11, 0xee101e15, *buf16++);
- /* strh r1, [r0], #2 */
- arm11_run_instr_no_data1(arm11, 0xe0c010b2);
+ /* strh r1, [r0], #2 */
+ arm11_run_instr_no_data1(arm11, 0xe0c010b2);
}}
break;
- }
+ }
- case 4:
+ case 4:
/** \todo TODO: check if buffer cast to u32* might cause alignment problems */
if (!arm11_config_memwrite_burst)
{
- /* STC p14,c5,[R0],#4 */
- arm11_run_instr_data_to_core(arm11, 0xeca05e01, (u32 *)buffer, count);
+ /* STC p14,c5,[R0],#4 */
+ arm11_run_instr_data_to_core(arm11, 0xeca05e01, (u32 *)buffer, count);
}
else
{
- /* STC p14,c5,[R0],#4 */
- arm11_run_instr_data_to_core_noack(arm11, 0xeca05e01, (u32 *)buffer, count);
+ /* STC p14,c5,[R0],#4 */
+ arm11_run_instr_data_to_core_noack(arm11, 0xeca05e01, (u32 *)buffer, count);
}
break;
- }
+ }
#if 1
- /* r0 verification */
- {
+ /* r0 verification */
+ {
u32 r0;
/* MCR p14,0,R0,c0,c5,0 */
@@ -1241,107 +1219,101 @@ int arm11_write_memory(struct target_s *target, u32 address, u32 size, u32 count
if (address + size * count != r0)
{
- LOG_ERROR("Data transfer failed. (%d)", (r0 - address) - size * count);
+ LOG_ERROR("Data transfer failed. (%d)", (r0 - address) - size * count);
- if (arm11_config_memwrite_burst)
+ if (arm11_config_memwrite_burst)
LOG_ERROR("use 'arm11 memwrite burst disable' to disable fast burst mode");
- if (arm11_config_memwrite_error_fatal)
- return ERROR_FAIL;
+ if (arm11_config_memwrite_error_fatal)
+ return ERROR_FAIL;
+ }
}
- }
#endif
+ arm11_run_instr_data_finish(arm11);
- arm11_run_instr_data_finish(arm11);
-
-
-
-
- return ERROR_OK;
+ return ERROR_OK;
}
/* write target memory in multiples of 4 byte, optimized for writing large quantities of data */
int arm11_bulk_write_memory(struct target_s *target, u32 address, u32 count, u8 *buffer)
{
- FNC_INFO;
+ FNC_INFO;
- if (target->state != TARGET_HALTED)
- {
+ if (target->state != TARGET_HALTED)
+ {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
- }
+ }
- return arm11_write_memory(target, address, 4, count, buffer);
+ return arm11_write_memory(target, address, 4, count, buffer);
}
-
int arm11_checksum_memory(struct target_s *target, u32 address, u32 count, u32* checksum)
{
- FNC_INFO_NOTIMPLEMENTED;
+ FNC_INFO_NOTIMPLEMENTED;
- return ERROR_OK;
+ return ERROR_OK;
}
-
/* target break-/watchpoint control
* rw: 0 = write, 1 = read, 2 = access
*/
int arm11_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
{
- FNC_INFO;
+ FNC_INFO;
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
#if 0
- if (breakpoint->type == BKPT_SOFT)
- {
+ if (breakpoint->type == BKPT_SOFT)
+ {
LOG_INFO("sw breakpoint requested, but software breakpoints not enabled");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
+ }
#endif
- if (!arm11->free_brps)
- {
+ if (!arm11->free_brps)
+ {
LOG_INFO("no breakpoint unit available for hardware breakpoint");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
+ }
- if (breakpoint->length != 4)
- {
+ if (breakpoint->length != 4)
+ {
LOG_INFO("only breakpoints of four bytes length supported");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
+ }
- arm11->free_brps--;
+ arm11->free_brps--;
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
{
- FNC_INFO;
+ FNC_INFO;
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- arm11->free_brps++;
+ arm11->free_brps++;
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
{
- FNC_INFO_NOTIMPLEMENTED;
+ FNC_INFO_NOTIMPLEMENTED;
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint)
{
- FNC_INFO_NOTIMPLEMENTED;
+ FNC_INFO_NOTIMPLEMENTED;
- return ERROR_OK;
+ return ERROR_OK;
}
// HACKHACKHACK - FIXME mode/state
@@ -1350,7 +1322,7 @@ int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t
int num_reg_params, reg_param_t *reg_params, u32 entry_point, u32 exit_point,
int timeout_ms, void *arch_info)
{
- arm11_common_t *arm11 = target->arch_info;
+ arm11_common_t *arm11 = target->arch_info;
armv4_5_algorithm_t *arm11_algorithm_info = arch_info;
// enum armv4_5_state core_state = arm11->core_state;
// enum armv4_5_mode core_mode = arm11->core_mode;
@@ -1359,7 +1331,7 @@ int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t
int exit_breakpoint_size = 0;
int i;
int retval = ERROR_OK;
- LOG_DEBUG("Running algorithm");
+ LOG_DEBUG("Running algorithm");
if (arm11_algorithm_info->common_magic != ARMV4_5_COMMON_MAGIC)
{
@@ -1385,7 +1357,7 @@ int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t
}
cpsr = buf_get_u32((u8*)(arm11->reg_values+ARM11_RC_CPSR),0,32);
- LOG_DEBUG("Save CPSR: 0x%x",i,cpsr);
+ LOG_DEBUG("Save CPSR: 0x%x", cpsr);
for (i = 0; i < num_mem_params; i++)
{
@@ -1396,7 +1368,6 @@ int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t
for (i = 0; i < num_reg_params; i++)
{
reg_t *reg = register_get_by_name(arm11->core_cache, reg_params[i].reg_name, 0);
- u32 val;
if (!reg)
{
LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
@@ -1416,7 +1387,7 @@ int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t
/* arm11->core_state = arm11_algorithm_info->core_state;
if (arm11->core_state == ARMV4_5_STATE_ARM)
- exit_breakpoint_size = 4;
+ exit_breakpoint_size = 4;
else if (arm11->core_state == ARMV4_5_STATE_THUMB)
exit_breakpoint_size = 2;
else
@@ -1499,10 +1470,10 @@ restore:
{
LOG_DEBUG("restoring register %s with value 0x%8.8x",
arm11->reg_list[i].name, context[i]);
- arm11_set_reg(&arm11->reg_list[i], &context[i]);
+ arm11_set_reg(&arm11->reg_list[i], (u8*)&context[i]);
}
LOG_DEBUG("restoring CPSR with value 0x%8.8x", cpsr);
- arm11_set_reg(&arm11->reg_list[ARM11_RC_CPSR], &cpsr);
+ arm11_set_reg(&arm11->reg_list[ARM11_RC_CPSR], (u8*)&cpsr);
// arm11->core_state = core_state;
// arm11->core_mode = core_mode;
@@ -1512,29 +1483,29 @@ restore:
int arm11_target_create(struct target_s *target, Jim_Interp *interp)
{
- FNC_INFO;
+ FNC_INFO;
- NEW(arm11_common_t, arm11, 1);
+ NEW(arm11_common_t, arm11, 1);
- arm11->target = target;
+ arm11->target = target;
- /* prepare JTAG information for the new target */
- arm11->jtag_info.chain_pos = target->chain_position;
- arm11->jtag_info.scann_size = 5;
+ /* prepare JTAG information for the new target */
+ arm11->jtag_info.chain_pos = target->chain_position;
+ arm11->jtag_info.scann_size = 5;
- arm_jtag_setup_connection(&arm11->jtag_info);
+ arm_jtag_setup_connection(&arm11->jtag_info);
- jtag_device_t *device = jtag_get_device(target->chain_position);
+ jtag_device_t *device = jtag_get_device(target->chain_position);
- if (device->ir_length != 5)
- {
+ if (device->ir_length != 5)
+ {
LOG_ERROR("'target arm11' expects 'jtag_device 5 0x01 0x1F 0x1E'");
return ERROR_COMMAND_SYNTAX_ERROR;
- }
+ }
- target->arch_info = arm11;
+ target->arch_info = arm11;
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
@@ -1546,175 +1517,173 @@ int arm11_init_target(struct command_context_s *cmd_ctx, struct target_s *target
/* talk to the target and set things up */
int arm11_examine(struct target_s *target)
{
- FNC_INFO;
- int retval;
+ FNC_INFO;
+ int retval;
- arm11_common_t * arm11 = target->arch_info;
+ arm11_common_t * arm11 = target->arch_info;
- /* check IDCODE */
+ /* check IDCODE */
- arm11_add_IR(arm11, ARM11_IDCODE, -1);
+ arm11_add_IR(arm11, ARM11_IDCODE, -1);
- scan_field_t idcode_field;
+ scan_field_t idcode_field;
- arm11_setup_field(arm11, 32, NULL, &arm11->device_id, &idcode_field);
+ arm11_setup_field(arm11, 32, NULL, &arm11->device_id, &idcode_field);
- arm11_add_dr_scan_vc(1, &idcode_field, TAP_PD);
+ arm11_add_dr_scan_vc(1, &idcode_field, TAP_PD);
- /* check DIDR */
+ /* check DIDR */
- arm11_add_debug_SCAN_N(arm11, 0x00, -1);
+ arm11_add_debug_SCAN_N(arm11, 0x00, -1);
- arm11_add_IR(arm11, ARM11_INTEST, -1);
+ arm11_add_IR(arm11, ARM11_INTEST, -1);
- scan_field_t chain0_fields[2];
+ scan_field_t chain0_fields[2];
- arm11_setup_field(arm11, 32, NULL, &arm11->didr, chain0_fields + 0);
- arm11_setup_field(arm11, 8, NULL, &arm11->implementor, chain0_fields + 1);
+ arm11_setup_field(arm11, 32, NULL, &arm11->didr, chain0_fields + 0);
+ arm11_setup_field(arm11, 8, NULL, &arm11->implementor, chain0_fields + 1);
- arm11_add_dr_scan_vc(asizeof(chain0_fields), chain0_fields, TAP_RTI);
+ arm11_add_dr_scan_vc(asizeof(chain0_fields), chain0_fields, TAP_RTI);
- if ((retval=jtag_execute_queue())!=ERROR_OK)
- return retval;
+ if ((retval=jtag_execute_queue())!=ERROR_OK)
+ return retval;
- switch (arm11->device_id & 0x0FFFF000)
- {
- case 0x07B36000: LOG_INFO("found ARM1136"); break;
- case 0x07B56000: LOG_INFO("found ARM1156"); break;
- case 0x07B76000: LOG_INFO("found ARM1176"); break;
- default:
- {
+ switch (arm11->device_id & 0x0FFFF000)
+ {
+ case 0x07B36000: LOG_INFO("found ARM1136"); break;
+ case 0x07B56000: LOG_INFO("found ARM1156"); break;
+ case 0x07B76000: LOG_INFO("found ARM1176"); break;
+ default:
+ {
LOG_ERROR("'target arm11' expects IDCODE 0x*7B*7****");
return ERROR_FAIL;
- }
- }
+ }
+ }
- arm11->debug_version = (arm11->didr >> 16) & 0x0F;
+ arm11->debug_version = (arm11->didr >> 16) & 0x0F;
- if (arm11->debug_version != ARM11_DEBUG_V6 &&
+ if (arm11->debug_version != ARM11_DEBUG_V6 &&
arm11->debug_version != ARM11_DEBUG_V61)
- {
+ {
LOG_ERROR("Only ARMv6 v6 and v6.1 architectures supported.");
return ERROR_FAIL;
- }
+ }
- arm11->brp = ((arm11->didr >> 24) & 0x0F) + 1;
- arm11->wrp = ((arm11->didr >> 28) & 0x0F) + 1;
+ arm11->brp = ((arm11->didr >> 24) & 0x0F) + 1;
+ arm11->wrp = ((arm11->didr >> 28) & 0x0F) + 1;
- /** \todo TODO: reserve one brp slot if we allow breakpoints during step */
- arm11->free_brps = arm11->brp;
- arm11->free_wrps = arm11->wrp;
+ /** \todo TODO: reserve one brp slot if we allow breakpoints during step */
+ arm11->free_brps = arm11->brp;
+ arm11->free_wrps = arm11->wrp;
- LOG_DEBUG("IDCODE %08x IMPLEMENTOR %02x DIDR %08x",
+ LOG_DEBUG("IDCODE %08x IMPLEMENTOR %02x DIDR %08x",
arm11->device_id,
arm11->implementor,
arm11->didr);
- arm11_build_reg_cache(target);
-
+ arm11_build_reg_cache(target);
- /* as a side-effect this reads DSCR and thus
- * clears the ARM11_DSCR_STICKY_PRECISE_DATA_ABORT / Sticky Precise Data Abort Flag
- * as suggested by the spec.
- */
+ /* as a side-effect this reads DSCR and thus
+ * clears the ARM11_DSCR_STICKY_PRECISE_DATA_ABORT / Sticky Precise Data Abort Flag
+ * as suggested by the spec.
+ */
- arm11_check_init(arm11, NULL);
+ arm11_check_init(arm11, NULL);
- target->type->examined = 1;
+ target->type->examined = 1;
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_quit(void)
{
- FNC_INFO_NOTIMPLEMENTED;
+ FNC_INFO_NOTIMPLEMENTED;
- return ERROR_OK;
+ return ERROR_OK;
}
/** Load a register that is marked !valid in the register cache */
int arm11_get_reg(reg_t *reg)
{
- FNC_INFO;
+ FNC_INFO;
- target_t * target = ((arm11_reg_state_t *)reg->arch_info)->target;
+ target_t * target = ((arm11_reg_state_t *)reg->arch_info)->target;
- if (target->state != TARGET_HALTED)
- {
+ if (target->state != TARGET_HALTED)
+ {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
- }
+ }
- /** \todo TODO: Check this. We assume that all registers are fetched at debug entry. */
+ /** \todo TODO: Check this. We assume that all registers are fetched at debug entry. */
#if 0
- arm11_common_t *arm11 = target->arch_info;
- const arm11_reg_defs_t * arm11_reg_info = arm11_reg_defs + ((arm11_reg_state_t *)reg->arch_info)->def_index;
+ arm11_common_t *arm11 = target->arch_info;
+ const arm11_reg_defs_t * arm11_reg_info = arm11_reg_defs + ((arm11_reg_state_t *)reg->arch_info)->def_index;
#endif
- return ERROR_OK;
+ return ERROR_OK;
}
/** Change a value in the register cache */
int arm11_set_reg(reg_t *reg, u8 *buf)
{
- FNC_INFO;
+ FNC_INFO;
- target_t * target = ((arm11_reg_state_t *)reg->arch_info)->target;
- arm11_common_t *arm11 = target->arch_info;
-// const arm11_reg_defs_t * arm11_reg_info = arm11_reg_defs + ((arm11_reg_state_t *)reg->arch_info)->def_index;
+ target_t * target = ((arm11_reg_state_t *)reg->arch_info)->target;
+ arm11_common_t *arm11 = target->arch_info;
+// const arm11_reg_defs_t * arm11_reg_info = arm11_reg_defs + ((arm11_reg_state_t *)reg->arch_info)->def_index;
- arm11->reg_values[((arm11_reg_state_t *)reg->arch_info)->def_index] = buf_get_u32(buf, 0, 32);
- reg->valid = 1;
- reg->dirty = 1;
+ arm11->reg_values[((arm11_reg_state_t *)reg->arch_info)->def_index] = buf_get_u32(buf, 0, 32);
+ reg->valid = 1;
+ reg->dirty = 1;
- return ERROR_OK;
+ return ERROR_OK;
}
-
void arm11_build_reg_cache(target_t *target)
{
- arm11_common_t *arm11 = target->arch_info;
+ arm11_common_t *arm11 = target->arch_info;
+
+ NEW(reg_cache_t, cache, 1);
+ NEW(reg_t, reg_list, ARM11_REGCACHE_COUNT);
+ NEW(arm11_reg_state_t, arm11_reg_states, ARM11_REGCACHE_COUNT);
- NEW(reg_cache_t, cache, 1);
- NEW(reg_t, reg_list, ARM11_REGCACHE_COUNT);
- NEW(arm11_reg_state_t, arm11_reg_states, ARM11_REGCACHE_COUNT);
+ if (arm11_regs_arch_type == -1)
+ arm11_regs_arch_type = register_reg_arch_type(arm11_get_reg, arm11_set_reg);
- if (arm11_regs_arch_type == -1)
- arm11_regs_arch_type = register_reg_arch_type(arm11_get_reg, arm11_set_reg);
-
register_init_dummy(&arm11_gdb_dummy_fp_reg);
register_init_dummy(&arm11_gdb_dummy_fps_reg);
- arm11->reg_list = reg_list;
+ arm11->reg_list = reg_list;
- /* Build the process context cache */
- cache->name = "arm11 registers";
- cache->next = NULL;
- cache->reg_list = reg_list;
- cache->num_regs = ARM11_REGCACHE_COUNT;
+ /* Build the process context cache */
+ cache->name = "arm11 registers";
+ cache->next = NULL;
+ cache->reg_list = reg_list;
+ cache->num_regs = ARM11_REGCACHE_COUNT;
- reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
- (*cache_p) = cache;
+ reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
+ (*cache_p) = cache;
- arm11->core_cache = cache;
-// armv7m->process_context = cache;
+ arm11->core_cache = cache;
+// armv7m->process_context = cache;
- size_t i;
+ size_t i;
- /* Not very elegant assertion */
- if (ARM11_REGCACHE_COUNT != asizeof(arm11->reg_values) ||
+ /* Not very elegant assertion */
+ if (ARM11_REGCACHE_COUNT != asizeof(arm11->reg_values) ||
ARM11_REGCACHE_COUNT != asizeof(arm11_reg_defs) ||
ARM11_REGCACHE_COUNT != ARM11_RC_MAX)
- {
+ {
LOG_ERROR("BUG: arm11->reg_values inconsistent (%d " ZU " " ZU " %d)", ARM11_REGCACHE_COUNT, asizeof(arm11->reg_values), asizeof(arm11_reg_defs), ARM11_RC_MAX);
exit(-1);
- }
+ }
- for (i = 0; i < ARM11_REGCACHE_COUNT; i++)
- {
+ for (i = 0; i < ARM11_REGCACHE_COUNT; i++)
+ {
reg_t * r = reg_list + i;
const arm11_reg_defs_t * rd = arm11_reg_defs + i;
arm11_reg_state_t * rs = arm11_reg_states + i;
@@ -1731,224 +1700,216 @@ void arm11_build_reg_cache(target_t *target)
rs->def_index = i;
rs->target = target;
- }
+ }
}
-
-
int arm11_handle_bool(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, bool * var, char * name)
{
- if (argc == 0)
- {
+ if (argc == 0)
+ {
LOG_INFO("%s is %s.", name, *var ? "enabled" : "disabled");
return ERROR_OK;
- }
+ }
- if (argc != 1)
+ if (argc != 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- switch (args[0][0])
- {
- case '0': /* 0 */
- case 'f': /* false */
- case 'F':
- case 'd': /* disable */
- case 'D':
+ switch (args[0][0])
+ {
+ case '0': /* 0 */
+ case 'f': /* false */
+ case 'F':
+ case 'd': /* disable */
+ case 'D':
*var = false;
break;
- case '1': /* 1 */
- case 't': /* true */
- case 'T':
- case 'e': /* enable */
- case 'E':
+ case '1': /* 1 */
+ case 't': /* true */
+ case 'T':
+ case 'e': /* enable */
+ case 'E':
*var = true;
break;
- }
+ }
- LOG_INFO("%s %s.", *var ? "Enabled" : "Disabled", name);
+ LOG_INFO("%s %s.", *var ? "Enabled" : "Disabled", name);
- return ERROR_OK;
+ return ERROR_OK;
}
-
-#define BOOL_WRAPPER(name, print_name) \
+#define BOOL_WRAPPER(name, print_name) \
int arm11_handle_bool_##name(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) \
{ \
- return arm11_handle_bool(cmd_ctx, cmd, args, argc, &arm11_config_##name, print_name); \
+ return arm11_handle_bool(cmd_ctx, cmd, args, argc, &arm11_config_##name, print_name); \
}
#define RC_TOP(name, descr, more) \
{ \
- command_t * new_cmd = register_command(cmd_ctx, top_cmd, name, NULL, COMMAND_ANY, descr); \
- command_t * top_cmd = new_cmd; \
- more \
+ command_t * new_cmd = register_command(cmd_ctx, top_cmd, name, NULL, COMMAND_ANY, descr); \
+ command_t * top_cmd = new_cmd; \
+ more \
}
-#define RC_FINAL(name, descr, handler) \
- register_command(cmd_ctx, top_cmd, name, handler, COMMAND_ANY, descr);
+#define RC_FINAL(name, descr, handler) \
+ register_command(cmd_ctx, top_cmd, name, handler, COMMAND_ANY, descr);
#define RC_FINAL_BOOL(name, descr, var) \
- register_command(cmd_ctx, top_cmd, name, arm11_handle_bool_##var, COMMAND_ANY, descr);
-
+ register_command(cmd_ctx, top_cmd, name, arm11_handle_bool_##var, COMMAND_ANY, descr);
BOOL_WRAPPER(memwrite_burst, "memory write burst mode")
BOOL_WRAPPER(memwrite_error_fatal, "fatal error mode for memory writes")
-
int arm11_handle_vcr(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- if (argc == 1)
- {
+ if (argc == 1)
+ {
arm11_vcr = strtoul(args[0], NULL, 0);
- }
- else if (argc != 0)
- {
+ }
+ else if (argc != 0)
+ {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
+ }
- LOG_INFO("VCR 0x%08X", arm11_vcr);
- return ERROR_OK;
+ LOG_INFO("VCR 0x%08X", arm11_vcr);
+ return ERROR_OK;
}
const u32 arm11_coproc_instruction_limits[] =
{
- 15, /* coprocessor */
- 7, /* opcode 1 */
- 15, /* CRn */
- 15, /* CRm */
- 7, /* opcode 2 */
- 0xFFFFFFFF, /* value */
+ 15, /* coprocessor */
+ 7, /* opcode 1 */
+ 15, /* CRn */
+ 15, /* CRm */
+ 7, /* opcode 2 */
+ 0xFFFFFFFF, /* value */
};
const char arm11_mrc_syntax[] = "Syntax: mrc <jtag_target> <coprocessor> <opcode 1> <CRn> <CRm> <opcode 2>. All parameters are numbers only.";
const char arm11_mcr_syntax[] = "Syntax: mcr <jtag_target> <coprocessor> <opcode 1> <CRn> <CRm> <opcode 2> <32bit value to write>. All parameters are numbers only.";
-
arm11_common_t * arm11_find_target(const char * arg)
{
- size_t jtag_target = strtoul(arg, NULL, 0);
+ size_t jtag_target = strtoul(arg, NULL, 0);
- {target_t * t;
- for (t = all_targets; t; t = t->next)
- {
- if (strcmp(t->type->name,"arm11"))
- continue;
+ {target_t * t;
+ for (t = all_targets; t; t = t->next)
+ {
+ if (strcmp(t->type->name,"arm11"))
+ continue;
arm11_common_t * arm11 = t->arch_info;
if (arm11->jtag_info.chain_pos != jtag_target)
- continue;
+ continue;
return arm11;
- }}
+ }}
- return 0;
+ return 0;
}
int arm11_handle_mrc_mcr(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, bool read)
{
- if (argc != (read ? 6 : 7))
- {
+ if (argc != (read ? 6 : 7))
+ {
LOG_ERROR("Invalid number of arguments. %s", read ? arm11_mrc_syntax : arm11_mcr_syntax);
return -1;
- }
+ }
- arm11_common_t * arm11 = arm11_find_target(args[0]);
+ arm11_common_t * arm11 = arm11_find_target(args[0]);
- if (!arm11)
- {
+ if (!arm11)
+ {
LOG_ERROR("Parameter 1 is not a the JTAG chain position of an ARM11 device. %s",
read ? arm11_mrc_syntax : arm11_mcr_syntax);
return -1;
- }
+ }
- if (arm11->target->state != TARGET_HALTED)
- {
+ if (arm11->target->state != TARGET_HALTED)
+ {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
- }
-
+ }
- u32 values[6];
+ u32 values[6];
- {size_t i;
- for (i = 0; i < (read ? 5 : 6); i++)
- {
+ {size_t i;
+ for (i = 0; i < (read ? 5 : 6); i++)
+ {
values[i] = strtoul(args[i + 1], NULL, 0);
if (values[i] > arm11_coproc_instruction_limits[i])
{
- LOG_ERROR("Parameter %ld out of bounds (%d max). %s",
- (long)(i + 2), arm11_coproc_instruction_limits[i],
+ LOG_ERROR("Parameter %ld out of bounds (%d max). %s",
+ (long)(i + 2), arm11_coproc_instruction_limits[i],
read ? arm11_mrc_syntax : arm11_mcr_syntax);
- return -1;
+ return -1;
}
- }}
+ }}
- u32 instr = 0xEE000010 |
+ u32 instr = 0xEE000010 |
(values[0] << 8) |
(values[1] << 21) |
(values[2] << 16) |
(values[3] << 0) |
(values[4] << 5);
- if (read)
+ if (read)
instr |= 0x00100000;
+ arm11_run_instr_data_prepare(arm11);
- arm11_run_instr_data_prepare(arm11);
-
- if (read)
- {
+ if (read)
+ {
u32 result;
arm11_run_instr_data_from_core_via_r0(arm11, instr, &result);
LOG_INFO("MRC p%d, %d, R0, c%d, c%d, %d = 0x%08x (%d)",
- values[0], values[1], values[2], values[3], values[4], result, result);
- }
- else
- {
+ values[0], values[1], values[2], values[3], values[4], result, result);
+ }
+ else
+ {
arm11_run_instr_data_to_core_via_r0(arm11, instr, values[5]);
LOG_INFO("MRC p%d, %d, R0 (#0x%08x), c%d, c%d, %d",
- values[0], values[1],
- values[5],
- values[2], values[3], values[4]);
- }
+ values[0], values[1],
+ values[5],
+ values[2], values[3], values[4]);
+ }
- arm11_run_instr_data_finish(arm11);
+ arm11_run_instr_data_finish(arm11);
- return ERROR_OK;
+ return ERROR_OK;
}
int arm11_handle_mrc(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- return arm11_handle_mrc_mcr(cmd_ctx, cmd, args, argc, true);
+ return arm11_handle_mrc_mcr(cmd_ctx, cmd, args, argc, true);
}
int arm11_handle_mcr(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- return arm11_handle_mrc_mcr(cmd_ctx, cmd, args, argc, false);
+ return arm11_handle_mrc_mcr(cmd_ctx, cmd, args, argc, false);
}
int arm11_register_commands(struct command_context_s *cmd_ctx)
{
- FNC_INFO;
+ FNC_INFO;
- command_t * top_cmd = NULL;
+ command_t * top_cmd = NULL;
- RC_TOP( "arm11", "arm11 specific commands",
+ RC_TOP( "arm11", "arm11 specific commands",
RC_TOP( "memwrite", "Control memory write transfer mode",
- RC_FINAL_BOOL( "burst", "Enable/Disable non-standard but fast burst mode (default: enabled)",
+ RC_FINAL_BOOL( "burst", "Enable/Disable non-standard but fast burst mode (default: enabled)",
memwrite_burst)
- RC_FINAL_BOOL( "error_fatal",
+ RC_FINAL_BOOL( "error_fatal",
"Terminate program if transfer error was found (default: enabled)",
memwrite_error_fatal)
)
@@ -1961,7 +1922,7 @@ int arm11_register_commands(struct command_context_s *cmd_ctx)
RC_FINAL( "mcr", "Write Coprocessor register",
arm11_handle_mcr)
- )
+ )
- return ERROR_OK;
+ return ERROR_OK;
}
diff --git a/src/target/arm11.h b/src/target/arm11.h
index d7200a40..e685f0e0 100644
--- a/src/target/arm11.h
+++ b/src/target/arm11.h
@@ -28,12 +28,10 @@
#include "arm_jtag.h"
#include <stdbool.h>
-
#define asizeof(x) (sizeof(x) / sizeof((x)[0]))
#define NEW(type, variable, items) \
- type * variable = calloc(1, sizeof(type) * items)
-
+ type * variable = calloc(1, sizeof(type) * items)
/* For MinGW use 'I' prefix to print size_t (instead of 'z') */
@@ -43,7 +41,6 @@
#define ZU "%Iu"
#endif
-
#define ARM11_REGCACHE_MODEREGS 0
#define ARM11_REGCACHE_FREGS 0
@@ -51,63 +48,60 @@
23 * ARM11_REGCACHE_MODEREGS + \
9 * ARM11_REGCACHE_FREGS)
-
typedef struct arm11_register_history_s
{
- u32 value;
- u8 valid;
+ u32 value;
+ u8 valid;
}arm11_register_history_t;
enum arm11_debug_version
{
- ARM11_DEBUG_V6 = 0x01,
- ARM11_DEBUG_V61 = 0x02,
- ARM11_DEBUG_V7 = 0x03,
- ARM11_DEBUG_V7_CP14 = 0x04,
+ ARM11_DEBUG_V6 = 0x01,
+ ARM11_DEBUG_V61 = 0x02,
+ ARM11_DEBUG_V7 = 0x03,
+ ARM11_DEBUG_V7_CP14 = 0x04,
};
typedef struct arm11_common_s
{
- target_t * target;
-
- arm_jtag_t jtag_info;
+ target_t * target;
- /** \name Processor type detection */
- /*@{*/
+ arm_jtag_t jtag_info;
- u32 device_id; /**< IDCODE readout */
- u32 didr; /**< DIDR readout (debug capabilities) */
- u8 implementor; /**< DIDR Implementor readout */
+ /** \name Processor type detection */
+ /*@{*/
- size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */
- size_t wrp; /**< Number of Watchpoint Register Pairs from DIDR */
+ u32 device_id; /**< IDCODE readout */
+ u32 didr; /**< DIDR readout (debug capabilities) */
+ u8 implementor; /**< DIDR Implementor readout */
- enum arm11_debug_version
- debug_version; /**< ARM debug architecture from DIDR */
- /*@}*/
+ size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */
+ size_t wrp; /**< Number of Watchpoint Register Pairs from DIDR */
+
+ enum arm11_debug_version
+ debug_version; /**< ARM debug architecture from DIDR */
+ /*@}*/
+ u32 last_dscr; /**< Last retrieved DSCR value;
+ * Can be used to detect changes */
- u32 last_dscr; /**< Last retrieved DSCR value;
- * Can be used to detect changes */
+ bool trst_active;
+ bool halt_requested;
+ bool simulate_reset_on_next_halt;
- bool trst_active;
- bool halt_requested;
- bool simulate_reset_on_next_halt;
+ /** \name Shadow registers to save processor state */
+ /*@{*/
- /** \name Shadow registers to save processor state */
- /*@{*/
+ reg_t * reg_list; /**< target register list */
+ u32 reg_values[ARM11_REGCACHE_COUNT]; /**< data for registers */
- reg_t * reg_list; /**< target register list */
- u32 reg_values[ARM11_REGCACHE_COUNT]; /**< data for registers */
+ /*@}*/
- /*@}*/
-
- arm11_register_history_t
+ arm11_register_history_t
reg_history[ARM11_REGCACHE_COUNT]; /**< register state before last resume */
-
- size_t free_brps; /**< keep track of breakpoints allocated by arm11_add_breakpoint() */
- size_t free_wrps; /**< keep track of breakpoints allocated by arm11_add_watchpoint() */
+ size_t free_brps; /**< keep track of breakpoints allocated by arm11_add_breakpoint() */
+ size_t free_wrps; /**< keep track of breakpoints allocated by arm11_add_watchpoint() */
// GA
reg_cache_t *core_cache;
@@ -121,65 +115,60 @@ typedef struct arm11_common_s
*/
enum arm11_instructions
{
- ARM11_EXTEST = 0x00,
- ARM11_SCAN_N = 0x02,
- ARM11_RESTART = 0x04,
- ARM11_HALT = 0x08,
- ARM11_INTEST = 0x0C,
- ARM11_ITRSEL = 0x1D,
- ARM11_IDCODE = 0x1E,
- ARM11_BYPASS = 0x1F,
+ ARM11_EXTEST = 0x00,
+ ARM11_SCAN_N = 0x02,
+ ARM11_RESTART = 0x04,
+ ARM11_HALT = 0x08,
+ ARM11_INTEST = 0x0C,
+ ARM11_ITRSEL = 0x1D,
+ ARM11_IDCODE = 0x1E,
+ ARM11_BYPASS = 0x1F,
};
enum arm11_dscr
{
- ARM11_DSCR_CORE_HALTED = 1 << 0,
- ARM11_DSCR_CORE_RESTARTED = 1 << 1,
-
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2,
- ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2,
-
- ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6,
- ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7,
- ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13,
- ARM11_DSCR_MODE_SELECT = 1 << 14,
- ARM11_DSCR_WDTR_FULL = 1 << 29,
- ARM11_DSCR_RDTR_FULL = 1 << 30,
+ ARM11_DSCR_CORE_HALTED = 1 << 0,
+ ARM11_DSCR_CORE_RESTARTED = 1 << 1,
+
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2,
+ ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2,
+
+ ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6,
+ ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7,
+ ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13,
+ ARM11_DSCR_MODE_SELECT = 1 << 14,
+ ARM11_DSCR_WDTR_FULL = 1 << 29,
+ ARM11_DSCR_RDTR_FULL = 1 << 30,
};
enum arm11_cpsr
{
- ARM11_CPSR_T = 1 << 5,
- ARM11_CPSR_J = 1 << 24,
+ ARM11_CPSR_T = 1 << 5,
+ ARM11_CPSR_J = 1 << 24,
};
enum arm11_sc7
{
- ARM11_SC7_NULL = 0,
- ARM11_SC7_VCR = 7,
- ARM11_SC7_PC = 8,
- ARM11_SC7_BVR0 = 64,
- ARM11_SC7_BCR0 = 80,
- ARM11_SC7_WVR0 = 96,
- ARM11_SC7_WCR0 = 112,
+ ARM11_SC7_NULL = 0,
+ ARM11_SC7_VCR = 7,
+ ARM11_SC7_PC = 8,
+ ARM11_SC7_BVR0 = 64,
+ ARM11_SC7_BCR0 = 80,
+ ARM11_SC7_WVR0 = 96,
+ ARM11_SC7_WCR0 = 112,
};
-
-
typedef struct arm11_reg_state_s
{
- u32 def_index;
- target_t * target;
+ u32 def_index;
+ target_t * target;
} arm11_reg_state_t;
-
-
-
/* poll current target status */
int arm11_poll(struct target_s *target);
/* architecture specific status reply */
@@ -230,14 +219,14 @@ int arm11_target_create(struct target_s *target, Jim_Interp *interp);
int arm11_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
int arm11_quit(void);
-
/* helpers */
void arm11_build_reg_cache(target_t *target);
+int arm11_set_reg(reg_t *reg, u8 *buf);
+int arm11_get_reg(reg_t *reg);
void arm11_record_register_history(arm11_common_t * arm11);
void arm11_dump_reg_changes(arm11_common_t * arm11);
-
/* internals */
void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field);
@@ -263,18 +252,17 @@ void arm11_run_instr_data_to_core_via_r0 (arm11_common_t * arm11, u32 opcode, u3
int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state);
-
/** Used to make a list of read/write commands for scan chain 7
*
* Use with arm11_sc7_run()
*/
typedef struct arm11_sc7_action_s
{
- bool write; /**< Access mode: true for write, false for read. */
- u8 address; /**< Register address mode. Use enum #arm11_sc7 */
- u32 value; /**< If write then set this to value to be written.
- In read mode this receives the read value when the
- function returns. */
+ bool write; /**< Access mode: true for write, false for read. */
+ u8 address; /**< Register address mode. Use enum #arm11_sc7 */
+ u32 value; /**< If write then set this to value to be written.
+ In read mode this receives the read value when the
+ function returns. */
} arm11_sc7_action_t;
void arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count);
@@ -285,6 +273,4 @@ void arm11_sc7_set_vcr(arm11_common_t * arm11, u32 value);
void arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result);
-
-
#endif /* ARM11_H */
diff --git a/src/target/mips32_dmaacc.c b/src/target/mips32_dmaacc.c
index 96426c0a..7ca6c29a 100644
--- a/src/target/mips32_dmaacc.c
+++ b/src/target/mips32_dmaacc.c
@@ -1,441 +1,440 @@
-/***************************************************************************
- * Copyright (C) 2008 by John McCarthy *
- * jgmcc@magma.ca *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * Copyright (C) 2008 by David T.L. Wong *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-#include "log.h"
-#include "mips32.h"
-#include "mips32_dmaacc.h"
-
-/*
- * The following logic shamelessly cloned from HairyDairyMaid's wrt54g_debrick
- * to support the Broadcom BCM5352 SoC in the Linksys WRT54GL wireless router
- * (and any others that support EJTAG DMA transfers).
- * Note: This only supports memory read/write. Since the BCM5352 doesn't
- * appear to support PRACC accesses, all debug functions except halt
- * do not work. Still, this does allow erasing/writing flash as well as
- * displaying/modifying memory and memory mapped registers.
- */
-
-static int ejtag_dma_read(mips_ejtag_t *ejtag_info, u32 addr, u32 *data)
-{
- u32 v;
- u32 ctrl_reg;
- int retries = RETRY_ATTEMPTS;
-
-begin_ejtag_dma_read:
-
- // Setup Address
- v = addr;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Initiate DMA Read & set DSTRT
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_WORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
-
- // Wait for DSTRT to Clear
- do {
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- } while(ctrl_reg & EJTAG_CTRL_DSTRT);
-
- // Read Data
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
- mips_ejtag_drscan_32(ejtag_info, data);
-
- // Clear DMA & Check DERR
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- if (ctrl_reg & EJTAG_CTRL_DERR)
- {
- if (retries--) {
- printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr);
- goto begin_ejtag_dma_read;
- } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
-}
-
-static int ejtag_dma_read_h(mips_ejtag_t *ejtag_info, u32 addr, u16 *data)
-{
- u32 v;
- u32 ctrl_reg;
- int retries = RETRY_ATTEMPTS;
-
-begin_ejtag_dma_read_h:
-
- // Setup Address
- v = addr;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Initiate DMA Read & set DSTRT
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_HALFWORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
-
- // Wait for DSTRT to Clear
- do {
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- } while(ctrl_reg & EJTAG_CTRL_DSTRT);
-
- // Read Data
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Clear DMA & Check DERR
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- if (ctrl_reg & EJTAG_CTRL_DERR)
- {
- if (retries--) {
- printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr);
- goto begin_ejtag_dma_read_h;
- } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- // Handle the bigendian/littleendian
- if ( addr & 0x2 ) *data = (v>>16)&0xffff ;
- else *data = (v&0x0000ffff) ;
-
- return ERROR_OK;
-}
-
-static int ejtag_dma_read_b(mips_ejtag_t *ejtag_info, u32 addr, u8 *data)
-{
- u32 v;
- u32 ctrl_reg;
- int retries = RETRY_ATTEMPTS;
-
-begin_ejtag_dma_read_b:
-
- // Setup Address
- v = addr;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Initiate DMA Read & set DSTRT
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_BYTE | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
-
- // Wait for DSTRT to Clear
- do {
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- } while(ctrl_reg & EJTAG_CTRL_DSTRT);
-
- // Read Data
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Clear DMA & Check DERR
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- if (ctrl_reg & EJTAG_CTRL_DERR)
- {
- if (retries--) {
- printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr);
- goto begin_ejtag_dma_read_b;
- } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- // Handle the bigendian/littleendian
- switch(addr & 0x3) {
- case 0: *data = v & 0xff; break;
- case 1: *data = (v>>8) & 0xff; break;
- case 2: *data = (v>>16) & 0xff; break;
- case 3: *data = (v>>24) & 0xff; break;
- }
-
- return ERROR_OK;
-}
-
-static int ejtag_dma_write(mips_ejtag_t *ejtag_info, u32 addr, u32 data)
-{
- u32 v;
- u32 ctrl_reg;
- int retries = RETRY_ATTEMPTS;
-
-begin_ejtag_dma_write:
-
- // Setup Address
- v = addr;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Setup Data
- v = data;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Initiate DMA Write & set DSTRT
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_WORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
-
- // Wait for DSTRT to Clear
- do {
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- } while(ctrl_reg & EJTAG_CTRL_DSTRT);
-
- // Clear DMA & Check DERR
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- if (ctrl_reg & EJTAG_CTRL_DERR)
- {
- if (retries--) {
- printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr);
- goto begin_ejtag_dma_write;
- } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
-}
-
-static int ejtag_dma_write_h(mips_ejtag_t *ejtag_info, u32 addr, u32 data)
-{
- u32 v;
- u32 ctrl_reg;
- int retries = RETRY_ATTEMPTS;
-
-
- // Handle the bigendian/littleendian
- data &= 0xffff;
- data |= data<<16;
-
-begin_ejtag_dma_write_h:
-
- // Setup Address
- v = addr;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Setup Data
- v = data;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Initiate DMA Write & set DSTRT
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_HALFWORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
-
- // Wait for DSTRT to Clear
- do {
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- } while(ctrl_reg & EJTAG_CTRL_DSTRT);
-
- // Clear DMA & Check DERR
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- if (ctrl_reg & EJTAG_CTRL_DERR)
- {
- if (retries--) {
- printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr);
- goto begin_ejtag_dma_write_h;
- } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
-}
-
-static int ejtag_dma_write_b(mips_ejtag_t *ejtag_info, u32 addr, u32 data)
-{
- u32 v;
- u32 ctrl_reg;
- int retries = RETRY_ATTEMPTS;
-
-
- // Handle the bigendian/littleendian
- data &= 0xff;
- data |= data<<8;
- data |= data<<16;
-
-begin_ejtag_dma_write_b:
-
- // Setup Address
- v = addr;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Setup Data
- v = data;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
- mips_ejtag_drscan_32(ejtag_info, &v);
-
- // Initiate DMA Write & set DSTRT
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_BYTE | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
-
- // Wait for DSTRT to Clear
- do {
- ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- } while(ctrl_reg & EJTAG_CTRL_DSTRT);
-
- // Clear DMA & Check DERR
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
- ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
- mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
- if (ctrl_reg & EJTAG_CTRL_DERR)
- {
- if (retries--) {
- printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr);
- goto begin_ejtag_dma_write_b;
- } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr);
- return ERROR_JTAG_DEVICE_ERROR;
- }
-
- return ERROR_OK;
-}
-
-
-int mips32_dmaacc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf)
-{
- switch (size)
- {
- case 1:
- return mips32_dmaacc_read_mem8(ejtag_info, addr, count, (u8*)buf);
- case 2:
- return mips32_dmaacc_read_mem16(ejtag_info, addr, count, (u16*)buf);
- case 4:
- return mips32_dmaacc_read_mem32(ejtag_info, addr, count, (u32*)buf);
- }
-
- return ERROR_OK;
-}
-
-int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf)
-{
- int i;
- int retval;
-
- for(i=0; i<count; i++) {
- if((retval=ejtag_dma_read(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK)
- return retval;
- }
-
- return ERROR_OK;
-}
-
-int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf)
-{
- int i;
- int retval;
-
- for(i=0; i<count; i++) {
- if((retval=ejtag_dma_read_h(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK)
- return retval;
- }
-
- return ERROR_OK;
-}
-
-int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf)
-{
- int i;
- int retval;
-
- for(i=0; i<count; i++) {
- if((retval=ejtag_dma_read_b(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK)
- return retval;
- }
-
- return ERROR_OK;
-}
-
-int mips32_dmaacc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf)
-{
- switch (size)
- {
- case 1:
- return mips32_dmaacc_write_mem8(ejtag_info, addr, count, (u8*)buf);
- case 2:
- return mips32_dmaacc_write_mem16(ejtag_info, addr, count,(u16*)buf);
- case 4:
- return mips32_dmaacc_write_mem32(ejtag_info, addr, count, (u32*)buf);
- }
-
- return ERROR_OK;
-}
-
-int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf)
-{
- int i;
- int retval;
-
- for(i=0; i<count; i++) {
- if((retval=ejtag_dma_write(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK)
- return retval;
- }
-
- return ERROR_OK;
-}
-
-int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf)
-{
- int i;
- int retval;
-
- for(i=0; i<count; i++) {
- if((retval=ejtag_dma_write_h(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK)
- return retval;
- }
-
- return ERROR_OK;
-}
-
-int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf)
-{
- int i;
- int retval;
-
- for(i=0; i<count; i++) {
- if((retval=ejtag_dma_write_b(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK)
- return retval;
- }
-
- return ERROR_OK;
-}
+/***************************************************************************
+ * Copyright (C) 2008 by John McCarthy *
+ * jgmcc@magma.ca *
+ * *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
+ * Copyright (C) 2008 by David T.L. Wong *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include "log.h"
+#include "mips32.h"
+#include "mips32_dmaacc.h"
+
+/*
+ * The following logic shamelessly cloned from HairyDairyMaid's wrt54g_debrick
+ * to support the Broadcom BCM5352 SoC in the Linksys WRT54GL wireless router
+ * (and any others that support EJTAG DMA transfers).
+ * Note: This only supports memory read/write. Since the BCM5352 doesn't
+ * appear to support PRACC accesses, all debug functions except halt
+ * do not work. Still, this does allow erasing/writing flash as well as
+ * displaying/modifying memory and memory mapped registers.
+ */
+
+static int ejtag_dma_read(mips_ejtag_t *ejtag_info, u32 addr, u32 *data)
+{
+ u32 v;
+ u32 ctrl_reg;
+ int retries = RETRY_ATTEMPTS;
+
+begin_ejtag_dma_read:
+
+ // Setup Address
+ v = addr;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Initiate DMA Read & set DSTRT
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_WORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+
+ // Wait for DSTRT to Clear
+ do {
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ } while(ctrl_reg & EJTAG_CTRL_DSTRT);
+
+ // Read Data
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_drscan_32(ejtag_info, data);
+
+ // Clear DMA & Check DERR
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ if (ctrl_reg & EJTAG_CTRL_DERR)
+ {
+ if (retries--) {
+ printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr);
+ goto begin_ejtag_dma_read;
+ } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+static int ejtag_dma_read_h(mips_ejtag_t *ejtag_info, u32 addr, u16 *data)
+{
+ u32 v;
+ u32 ctrl_reg;
+ int retries = RETRY_ATTEMPTS;
+
+begin_ejtag_dma_read_h:
+
+ // Setup Address
+ v = addr;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Initiate DMA Read & set DSTRT
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_HALFWORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+
+ // Wait for DSTRT to Clear
+ do {
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ } while(ctrl_reg & EJTAG_CTRL_DSTRT);
+
+ // Read Data
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Clear DMA & Check DERR
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ if (ctrl_reg & EJTAG_CTRL_DERR)
+ {
+ if (retries--) {
+ printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr);
+ goto begin_ejtag_dma_read_h;
+ } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ // Handle the bigendian/littleendian
+ if ( addr & 0x2 ) *data = (v>>16)&0xffff ;
+ else *data = (v&0x0000ffff) ;
+
+ return ERROR_OK;
+}
+
+static int ejtag_dma_read_b(mips_ejtag_t *ejtag_info, u32 addr, u8 *data)
+{
+ u32 v;
+ u32 ctrl_reg;
+ int retries = RETRY_ATTEMPTS;
+
+begin_ejtag_dma_read_b:
+
+ // Setup Address
+ v = addr;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Initiate DMA Read & set DSTRT
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DRWN | EJTAG_CTRL_DMA_BYTE | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+
+ // Wait for DSTRT to Clear
+ do {
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ } while(ctrl_reg & EJTAG_CTRL_DSTRT);
+
+ // Read Data
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Clear DMA & Check DERR
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ if (ctrl_reg & EJTAG_CTRL_DERR)
+ {
+ if (retries--) {
+ printf("DMA Read Addr = %08x Data = ERROR ON READ (retrying)\n", addr);
+ goto begin_ejtag_dma_read_b;
+ } else printf("DMA Read Addr = %08x Data = ERROR ON READ\n", addr);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ // Handle the bigendian/littleendian
+ switch(addr & 0x3) {
+ case 0: *data = v & 0xff; break;
+ case 1: *data = (v>>8) & 0xff; break;
+ case 2: *data = (v>>16) & 0xff; break;
+ case 3: *data = (v>>24) & 0xff; break;
+ }
+
+ return ERROR_OK;
+}
+
+static int ejtag_dma_write(mips_ejtag_t *ejtag_info, u32 addr, u32 data)
+{
+ u32 v;
+ u32 ctrl_reg;
+ int retries = RETRY_ATTEMPTS;
+
+begin_ejtag_dma_write:
+
+ // Setup Address
+ v = addr;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Setup Data
+ v = data;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Initiate DMA Write & set DSTRT
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_WORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+
+ // Wait for DSTRT to Clear
+ do {
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ } while(ctrl_reg & EJTAG_CTRL_DSTRT);
+
+ // Clear DMA & Check DERR
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ if (ctrl_reg & EJTAG_CTRL_DERR)
+ {
+ if (retries--) {
+ printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr);
+ goto begin_ejtag_dma_write;
+ } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+static int ejtag_dma_write_h(mips_ejtag_t *ejtag_info, u32 addr, u32 data)
+{
+ u32 v;
+ u32 ctrl_reg;
+ int retries = RETRY_ATTEMPTS;
+
+
+ // Handle the bigendian/littleendian
+ data &= 0xffff;
+ data |= data<<16;
+
+begin_ejtag_dma_write_h:
+
+ // Setup Address
+ v = addr;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Setup Data
+ v = data;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Initiate DMA Write & set DSTRT
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_HALFWORD | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+
+ // Wait for DSTRT to Clear
+ do {
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ } while(ctrl_reg & EJTAG_CTRL_DSTRT);
+
+ // Clear DMA & Check DERR
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ if (ctrl_reg & EJTAG_CTRL_DERR)
+ {
+ if (retries--) {
+ printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr);
+ goto begin_ejtag_dma_write_h;
+ } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+static int ejtag_dma_write_b(mips_ejtag_t *ejtag_info, u32 addr, u32 data)
+{
+ u32 v;
+ u32 ctrl_reg;
+ int retries = RETRY_ATTEMPTS;
+
+
+ // Handle the bigendian/littleendian
+ data &= 0xff;
+ data |= data<<8;
+ data |= data<<16;
+
+begin_ejtag_dma_write_b:
+
+ // Setup Address
+ v = addr;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Setup Data
+ v = data;
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_drscan_32(ejtag_info, &v);
+
+ // Initiate DMA Write & set DSTRT
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_DMA_BYTE | EJTAG_CTRL_DSTRT | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+
+ // Wait for DSTRT to Clear
+ do {
+ ctrl_reg = EJTAG_CTRL_DMAACC | EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ } while(ctrl_reg & EJTAG_CTRL_DSTRT);
+
+ // Clear DMA & Check DERR
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ ctrl_reg = EJTAG_CTRL_PROBEN | EJTAG_CTRL_PRACC;
+ mips_ejtag_drscan_32(ejtag_info, &ctrl_reg);
+ if (ctrl_reg & EJTAG_CTRL_DERR)
+ {
+ if (retries--) {
+ printf("DMA Write Addr = %08x Data = ERROR ON WRITE (retrying)\n", addr);
+ goto begin_ejtag_dma_write_b;
+ } else printf("DMA Write Addr = %08x Data = ERROR ON WRITE\n", addr);
+ return ERROR_JTAG_DEVICE_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf)
+{
+ switch (size)
+ {
+ case 1:
+ return mips32_dmaacc_read_mem8(ejtag_info, addr, count, (u8*)buf);
+ case 2:
+ return mips32_dmaacc_read_mem16(ejtag_info, addr, count, (u16*)buf);
+ case 4:
+ return mips32_dmaacc_read_mem32(ejtag_info, addr, count, (u32*)buf);
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf)
+{
+ int i;
+ int retval;
+
+ for(i=0; i<count; i++) {
+ if((retval=ejtag_dma_read(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf)
+{
+ int i;
+ int retval;
+
+ for(i=0; i<count; i++) {
+ if((retval=ejtag_dma_read_h(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf)
+{
+ int i;
+ int retval;
+
+ for(i=0; i<count; i++) {
+ if((retval=ejtag_dma_read_b(ejtag_info, addr+i*sizeof(*buf), &buf[i])) != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf)
+{
+ switch (size)
+ {
+ case 1:
+ return mips32_dmaacc_write_mem8(ejtag_info, addr, count, (u8*)buf);
+ case 2:
+ return mips32_dmaacc_write_mem16(ejtag_info, addr, count,(u16*)buf);
+ case 4:
+ return mips32_dmaacc_write_mem32(ejtag_info, addr, count, (u32*)buf);
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf)
+{
+ int i;
+ int retval;
+
+ for(i=0; i<count; i++) {
+ if((retval=ejtag_dma_write(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf)
+{
+ int i;
+ int retval;
+
+ for(i=0; i<count; i++) {
+ if((retval=ejtag_dma_write_h(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
+int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf)
+{
+ int i;
+ int retval;
+
+ for(i=0; i<count; i++) {
+ if((retval=ejtag_dma_write_b(ejtag_info, addr+i*sizeof(*buf), buf[i])) != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
diff --git a/src/target/mips32_dmaacc.h b/src/target/mips32_dmaacc.h
index b6d544c5..2383ee9f 100644
--- a/src/target/mips32_dmaacc.h
+++ b/src/target/mips32_dmaacc.h
@@ -1,53 +1,53 @@
-/***************************************************************************
- * Copyright (C) 2008 by John McCarthy *
- * jgmcc@magma.ca *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * Copyright (C) 2008 by David T.L. Wong *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-#ifndef MIPS32_DMAACC_H
-#define MIPS32_DMAACC_H
-
-#include "mips_ejtag.h"
-
-#define EJTAG_CTRL_DMA_BYTE 0x00000000
-#define EJTAG_CTRL_DMA_HALFWORD 0x00000080
-#define EJTAG_CTRL_DMA_WORD 0x00000100
-#define EJTAG_CTRL_DMA_TRIPLEBYTE 0x00000180
-
-#define RETRY_ATTEMPTS 4
-
-extern int mips32_dmaacc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
-extern int mips32_dmaacc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
-
-extern int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
-extern int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
-extern int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
-
-extern int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
-extern int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
-extern int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
-
-#if 0
-extern int mips32_dmaacc_read_regs(mips_ejtag_t *ejtag_info, u32 *regs);
-extern int mips32_dmaacc_write_regs(mips_ejtag_t *ejtag_info, u32 *regs);
-#endif
-
-#endif
+/***************************************************************************
+ * Copyright (C) 2008 by John McCarthy *
+ * jgmcc@magma.ca *
+ * *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
+ * Copyright (C) 2008 by David T.L. Wong *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifndef MIPS32_DMAACC_H
+#define MIPS32_DMAACC_H
+
+#include "mips_ejtag.h"
+
+#define EJTAG_CTRL_DMA_BYTE 0x00000000
+#define EJTAG_CTRL_DMA_HALFWORD 0x00000080
+#define EJTAG_CTRL_DMA_WORD 0x00000100
+#define EJTAG_CTRL_DMA_TRIPLEBYTE 0x00000180
+
+#define RETRY_ATTEMPTS 4
+
+extern int mips32_dmaacc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
+extern int mips32_dmaacc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf);
+
+extern int mips32_dmaacc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
+extern int mips32_dmaacc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
+extern int mips32_dmaacc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
+
+extern int mips32_dmaacc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, u8 *buf);
+extern int mips32_dmaacc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf);
+extern int mips32_dmaacc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf);
+
+#if 0
+extern int mips32_dmaacc_read_regs(mips_ejtag_t *ejtag_info, u32 *regs);
+extern int mips32_dmaacc_write_regs(mips_ejtag_t *ejtag_info, u32 *regs);
+#endif
+
+#endif
diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c
index 03995b5e..3508ebd1 100644
--- a/src/target/mips_m4k.c
+++ b/src/target/mips_m4k.c
@@ -25,6 +25,7 @@
#include "mips32.h"
#include "mips_m4k.h"
+#include "mips32_dmaacc.h"
#include "jtag.h"
#include "log.h"