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-rw-r--r--src/target/arm920t.c362
1 files changed, 247 insertions, 115 deletions
diff --git a/src/target/arm920t.c b/src/target/arm920t.c
index 7cc228d0..3e615451 100644
--- a/src/target/arm920t.c
+++ b/src/target/arm920t.c
@@ -276,7 +276,8 @@ static int arm920t_read_cp15_interpreted(struct target *target,
jtag_execute_queue();
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
- LOG_DEBUG("cp15_opcode: %8.8x, address: %8.8x, value: %8.8x", cp15_opcode, address, *value);
+ LOG_DEBUG("cp15_opcode: %8.8x, address: %8.8x, value: %8.8x",
+ cp15_opcode, address, *value);
#endif
if (!is_arm_mode(armv4_5->core_mode))
@@ -317,7 +318,8 @@ int arm920t_write_cp15_interpreted(struct target *target,
arm920t_write_cp15_physical(target, CP15PHYS_TESTSTATE, cp15c15);
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
- LOG_DEBUG("cp15_opcode: %8.8x, value: %8.8x, address: %8.8x", cp15_opcode, value, address);
+ LOG_DEBUG("cp15_opcode: %8.8x, value: %8.8x, address: %8.8x",
+ cp15_opcode, value, address);
#endif
if (!is_arm_mode(armv4_5->core_mode))
@@ -335,14 +337,17 @@ uint32_t arm920t_get_ttb(struct target *target)
int retval;
uint32_t ttb = 0x0;
- if ((retval = arm920t_read_cp15_interpreted(target, 0xeebf0f51, 0x0, &ttb)) != ERROR_OK)
+ if ((retval = arm920t_read_cp15_interpreted(target,
+ /* FIXME use opcode macro */
+ 0xeebf0f51, 0x0, &ttb)) != ERROR_OK)
return retval;
return ttb;
}
// EXPORTED to FA256
-void arm920t_disable_mmu_caches(struct target *target, int mmu, int d_u_cache, int i_cache)
+void arm920t_disable_mmu_caches(struct target *target, int mmu,
+ int d_u_cache, int i_cache)
{
uint32_t cp15_control;
@@ -363,7 +368,8 @@ void arm920t_disable_mmu_caches(struct target *target, int mmu, int d_u_cache, i
}
// EXPORTED to FA256
-void arm920t_enable_mmu_caches(struct target *target, int mmu, int d_u_cache, int i_cache)
+void arm920t_enable_mmu_caches(struct target *target, int mmu,
+ int d_u_cache, int i_cache)
{
uint32_t cp15_control;
@@ -393,7 +399,7 @@ void arm920t_post_debug_entry(struct target *target)
arm920t_read_cp15_physical(target,
CP15PHYS_CTRL, &arm920t->cp15_control_reg);
jtag_execute_queue();
- LOG_DEBUG("cp15_control_reg: %8.8" PRIx32 "", arm920t->cp15_control_reg);
+ LOG_DEBUG("cp15_control_reg: %8.8" PRIx32, arm920t->cp15_control_reg);
if (arm920t->armv4_5_mmu.armv4_5_cache.ctype == -1)
{
@@ -402,20 +408,26 @@ void arm920t_post_debug_entry(struct target *target)
arm920t_read_cp15_physical(target,
CP15PHYS_CACHETYPE, &cache_type_reg);
jtag_execute_queue();
- armv4_5_identify_cache(cache_type_reg, &arm920t->armv4_5_mmu.armv4_5_cache);
+ armv4_5_identify_cache(cache_type_reg,
+ &arm920t->armv4_5_mmu.armv4_5_cache);
}
- arm920t->armv4_5_mmu.mmu_enabled = (arm920t->cp15_control_reg & 0x1U) ? 1 : 0;
- arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled = (arm920t->cp15_control_reg & 0x4U) ? 1 : 0;
- arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled = (arm920t->cp15_control_reg & 0x1000U) ? 1 : 0;
+ arm920t->armv4_5_mmu.mmu_enabled =
+ (arm920t->cp15_control_reg & 0x1U) ? 1 : 0;
+ arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled =
+ (arm920t->cp15_control_reg & 0x4U) ? 1 : 0;
+ arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled =
+ (arm920t->cp15_control_reg & 0x1000U) ? 1 : 0;
/* save i/d fault status and address register */
+ /* FIXME use opcode macros */
arm920t_read_cp15_interpreted(target, 0xee150f10, 0x0, &arm920t->d_fsr);
arm920t_read_cp15_interpreted(target, 0xee150f30, 0x0, &arm920t->i_fsr);
arm920t_read_cp15_interpreted(target, 0xee160f10, 0x0, &arm920t->d_far);
arm920t_read_cp15_interpreted(target, 0xee160f30, 0x0, &arm920t->i_far);
- LOG_DEBUG("D FSR: 0x%8.8" PRIx32 ", D FAR: 0x%8.8" PRIx32 ", I FSR: 0x%8.8" PRIx32 ", I FAR: 0x%8.8" PRIx32 "",
+ LOG_DEBUG("D FSR: 0x%8.8" PRIx32 ", D FAR: 0x%8.8" PRIx32
+ ", I FSR: 0x%8.8" PRIx32 ", I FAR: 0x%8.8" PRIx32,
arm920t->d_fsr, arm920t->d_far, arm920t->i_fsr, arm920t->i_far);
if (arm920t->preserve_cache)
@@ -490,9 +502,9 @@ int arm920t_arch_state(struct target *target)
arm_arch_state(target);
LOG_USER("MMU: %s, D-Cache: %s, I-Cache: %s",
- state[arm920t->armv4_5_mmu.mmu_enabled],
- state[arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
- state[arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
+ state[arm920t->armv4_5_mmu.mmu_enabled],
+ state[arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
+ state[arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
return ERROR_OK;
}
@@ -517,7 +529,8 @@ static int arm920_virt2phys(struct target *target,
uint32_t ap;
struct arm920t_common *arm920t = target_to_arm920(target);
- uint32_t ret = armv4_5_mmu_translate_va(target, &arm920t->armv4_5_mmu, virt, &type, &cb, &domain, &ap);
+ uint32_t ret = armv4_5_mmu_translate_va(target,
+ &arm920t->armv4_5_mmu, virt, &type, &cb, &domain, &ap);
if (type == -1)
{
return ret;
@@ -527,7 +540,8 @@ static int arm920_virt2phys(struct target *target,
}
/** Reads a buffer, in the specified word size, with current MMU settings. */
-int arm920t_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
+int arm920t_read_memory(struct target *target, uint32_t address,
+ uint32_t size, uint32_t count, uint8_t *buffer)
{
int retval;
@@ -569,11 +583,14 @@ int arm920t_write_memory(struct target *target, uint32_t address,
/* FIX!!!! this should be cleaned up and made much more general. The
* plan is to write up and test on arm920t specifically and
* then generalize and clean up afterwards. */
- if (arm920t->armv4_5_mmu.mmu_enabled && (count == 1) && ((size==2) || (size==4)))
+ if (arm920t->armv4_5_mmu.mmu_enabled && (count == 1) &&
+ ((size==2) || (size==4)))
{
- /* special case the handling of single word writes to bypass MMU
- * to allow implementation of breakpoints in memory marked read only
- * by MMU */
+ /* special case the handling of single word writes to
+ * bypass MMU, to allow implementation of breakpoints
+ * in memory marked read only
+ * by MMU
+ */
int type;
uint32_t cb;
int domain;
@@ -583,23 +600,25 @@ int arm920t_write_memory(struct target *target, uint32_t address,
/*
* We need physical address and cb
*/
- pa = armv4_5_mmu_translate_va(target, &arm920t->armv4_5_mmu, address, &type, &cb, &domain, &ap);
+ pa = armv4_5_mmu_translate_va(target, &arm920t->armv4_5_mmu,
+ address, &type, &cb, &domain, &ap);
if (type == -1)
- {
return pa;
- }
if (arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled)
{
if (cb & 0x1)
{
- LOG_DEBUG("D-Cache buffered, drain write buffer");
+ LOG_DEBUG("D-Cache buffered, "
+ "drain write buffer");
/*
* Buffered ?
* Drain write buffer - MCR p15,0,Rd,c7,c10,4
*/
- retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 10, 4), 0x0, 0);
+ retval = arm920t_write_cp15_interpreted(target,
+ ARMV4_5_MCR(15, 0, 0, 7, 10, 4),
+ 0x0, 0);
if (retval != ERROR_OK)
return retval;
}
@@ -609,19 +628,25 @@ int arm920t_write_memory(struct target *target, uint32_t address,
/*
* Write back memory ? -> clean cache
*
- * There is no way for cleaning a data cache line using
- * cp15 scan chain, so copy the full cache line from
- * cache to physical memory.
+ * There is no way to clean cache lines using
+ * cp15 scan chain, so copy the full cache
+ * line from cache to physical memory.
*/
uint8_t data[32];
- LOG_DEBUG("D-Cache in 'write back' mode, flush cache line");
+ LOG_DEBUG("D-Cache in 'write back' mode, "
+ "flush cache line");
- retval = target_read_memory(target, address & cache_mask, 1, sizeof(data), &data[0]);
+ retval = target_read_memory(target,
+ address & cache_mask, 1,
+ sizeof(data), &data[0]);
if (retval != ERROR_OK)
return retval;
- retval = armv4_5_mmu_write_physical(target, &arm920t->armv4_5_mmu, pa & cache_mask, 1, sizeof(data), &data[0]);
+ retval = armv4_5_mmu_write_physical(target,
+ &arm920t->armv4_5_mmu,
+ pa & cache_mask, 1,
+ sizeof(data), &data[0]);
if (retval != ERROR_OK)
return retval;
}
@@ -634,45 +659,59 @@ int arm920t_write_memory(struct target *target, uint32_t address,
*
* MCR p15,0,Rd,c7,c6,1
*/
- LOG_DEBUG("D-Cache enabled, invalidate cache line");
+ LOG_DEBUG("D-Cache enabled, "
+ "invalidate cache line");
- retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 6, 1), 0x0, address & cache_mask);
+ retval = arm920t_write_cp15_interpreted(target,
+ ARMV4_5_MCR(15, 0, 0, 7, 6, 1), 0x0,
+ address & cache_mask);
if (retval != ERROR_OK)
return retval;
}
}
- /* write directly to physical memory bypassing any read only MMU bits, etc. */
- retval = armv4_5_mmu_write_physical(target, &arm920t->armv4_5_mmu, pa, size, count, buffer);
+ /* write directly to physical memory,
+ * bypassing any read only MMU bits, etc.
+ */
+ retval = armv4_5_mmu_write_physical(target,
+ &arm920t->armv4_5_mmu, pa, size,
+ count, buffer);
if (retval != ERROR_OK)
return retval;
} else
{
- if ((retval = arm7_9_write_memory(target, address, size, count, buffer)) != ERROR_OK)
+ if ((retval = arm7_9_write_memory(target, address,
+ size, count, buffer)) != ERROR_OK)
return retval;
}
/* If ICache is enabled, we have to invalidate affected ICache lines
- * the DCache is forced to write-through, so we don't have to clean it here
+ * the DCache is forced to write-through,
+ * so we don't have to clean it here
*/
if (arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled)
{
if (count <= 1)
{
/* invalidate ICache single entry with MVA
- * ee070f35 mcr 15, 0, r0, cr7, cr5, {1}
+ * mcr 15, 0, r0, cr7, cr5, {1}
*/
- LOG_DEBUG("I-Cache enabled, invalidating affected I-Cache line");
- retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 5, 1), 0x0, address & cache_mask);
+ LOG_DEBUG("I-Cache enabled, "
+ "invalidating affected I-Cache line");
+ retval = arm920t_write_cp15_interpreted(target,
+ ARMV4_5_MCR(15, 0, 0, 7, 5, 1),
+ 0x0, address & cache_mask);
if (retval != ERROR_OK)
return retval;
}
else
{
/* invalidate ICache
- * 8: ee070f15 mcr 15, 0, r0, cr7, cr5, {0}
- * */
- retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 5, 0), 0x0, 0x0);
+ * mcr 15, 0, r0, cr7, cr5, {0}
+ */
+ retval = arm920t_write_cp15_interpreted(target,
+ ARMV4_5_MCR(15, 0, 0, 7, 5, 0),
+ 0x0, 0x0);
if (retval != ERROR_OK)
return retval;
}
@@ -699,7 +738,8 @@ int arm920t_soft_reset_halt(struct target *target)
int timeout;
while (!(timeout = ((timeval_ms()-then) > 1000)))
{
- if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0)
+ if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1)
+ == 0)
{
embeddedice_read_reg(dbg_stat);
if ((retval = jtag_execute_queue()) != ERROR_OK)
@@ -746,12 +786,7 @@ int arm920t_soft_reset_halt(struct target *target)
arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled = 0;
arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled = 0;
- if ((retval = target_call_event_callbacks(target, TARGET_EVENT_HALTED)) != ERROR_OK)
- {
- return retval;
- }
-
- return ERROR_OK;
+ return target_call_event_callbacks(target, TARGET_EVENT_HALTED);
}
/* FIXME remove forward decls */
@@ -764,7 +799,8 @@ static int arm920t_mcr(struct target *target, int cpnum,
uint32_t CRn, uint32_t CRm,
uint32_t value);
-int arm920t_init_arch_info(struct target *target, struct arm920t_common *arm920t, struct jtag_tap *tap)
+int arm920t_init_arch_info(struct target *target,
+ struct arm920t_common *arm920t, struct jtag_tap *tap)
{
struct arm7_9_common *arm7_9 = &arm920t->arm7_9_common;
@@ -802,8 +838,9 @@ int arm920t_init_arch_info(struct target *target, struct arm920t_common *arm920t
static int arm920t_target_create(struct target *target, Jim_Interp *interp)
{
- struct arm920t_common *arm920t = calloc(1,sizeof(struct arm920t_common));
+ struct arm920t_common *arm920t;
+ arm920t = calloc(1,sizeof(struct arm920t_common));
return arm920t_init_arch_info(target, arm920t, target->tap);
}
@@ -851,7 +888,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
return retval;
}
cp15_ctrl_saved = cp15_ctrl;
- cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED | ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
+ cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED
+ | ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl);
/* read CP15 test state register */
@@ -862,7 +900,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
fprintf(output, "DCache:\n");
/* go through segments 0 to nsets (8 on ARM920T, 4 on ARM922T) */
- for (segment = 0; segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets; segment++)
+ for (segment = 0;
+ segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets;
+ segment++)
{
fprintf(output, "\nsegment: %i\n----------", segment);
@@ -876,7 +916,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
CP15PHYS_TESTSTATE, cp15c15);
/* D CAM Read, loads current victim into C15.C.D.Ind */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,6,2), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,2,0,15,6,2), ARMV4_5_LDR(1, 0));
/* read current victim */
arm920t_read_cp15_physical(target,
@@ -889,7 +930,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
for (index = 0; index < 64; index++)
{
- /* Ra: r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0) */
+ /* Ra:
+ * r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0)
+ */
regs[0] = 0x0 | (segment << 5) | (index << 26);
arm9tdmi_write_core_regs(target, 0x1, regs);
@@ -899,13 +942,18 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write DCache victim */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
/* Read D RAM */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,10,2), ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,2,0,15,10,2),
+ ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
/* Read D CAM */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,6,2), ARMV4_5_LDR(9, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,2,0,15,6,2),
+ ARMV4_5_LDR(9, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -923,12 +971,16 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
/* mask LFSR[6] */
regs[9] &= 0xfffffffe;
- fprintf(output, "\nsegment: %i, index: %i, CAM: 0x%8.8" PRIx32 ", content (%s):\n", segment, index, regs[9], (regs[9] & 0x10) ? "valid" : "invalid");
+ fprintf(output, "\nsegment: %i, index: %i, CAM: 0x%8.8"
+ PRIx32 ", content (%s):\n",
+ segment, index, regs[9],
+ (regs[9] & 0x10) ? "valid" : "invalid");
for (i = 1; i < 9; i++)
{
d_cache[segment][index].data[i] = regs[i];
- fprintf(output, "%i: 0x%8.8" PRIx32 "\n", i-1, regs[i]);
+ fprintf(output, "%i: 0x%8.8" PRIx32 "\n",
+ i-1, regs[i]);
}
}
@@ -943,7 +995,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write DCache victim */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -955,7 +1008,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
fprintf(output, "ICache:\n");
/* go through segments 0 to nsets (8 on ARM920T, 4 on ARM922T) */
- for (segment = 0; segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets; segment++)
+ for (segment = 0;
+ segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets;
+ segment++)
{
fprintf(output, "segment: %i\n----------", segment);
@@ -969,7 +1024,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
CP15PHYS_TESTSTATE, cp15c15);
/* I CAM Read, loads current victim into C15.C.I.Ind */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,5,2), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,2,0,15,5,2), ARMV4_5_LDR(1, 0));
/* read current victim */
arm920t_read_cp15_physical(target, CP15PHYS_ICACHE_IDX,
@@ -982,7 +1038,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
for (index = 0; index < 64; index++)
{
- /* Ra: r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0) */
+ /* Ra:
+ * r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0)
+ */
regs[0] = 0x0 | (segment << 5) | (index << 26);
arm9tdmi_write_core_regs(target, 0x1, regs);
@@ -992,13 +1050,18 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write ICache victim */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
/* Read I RAM */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,9,2), ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,2,0,15,9,2),
+ ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
/* Read I CAM */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,5,2), ARMV4_5_LDR(9, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,2,0,15,5,2),
+ ARMV4_5_LDR(9, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1016,12 +1079,16 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
/* mask LFSR[6] */
regs[9] &= 0xfffffffe;
- fprintf(output, "\nsegment: %i, index: %i, CAM: 0x%8.8" PRIx32 ", content (%s):\n", segment, index, regs[9], (regs[9] & 0x10) ? "valid" : "invalid");
+ fprintf(output, "\nsegment: %i, index: %i, "
+ "CAM: 0x%8.8" PRIx32 ", content (%s):\n",
+ segment, index, regs[9],
+ (regs[9] & 0x10) ? "valid" : "invalid");
for (i = 1; i < 9; i++)
{
i_cache[segment][index].data[i] = regs[i];
- fprintf(output, "%i: 0x%8.8" PRIx32 "\n", i-1, regs[i]);
+ fprintf(output, "%i: 0x%8.8" PRIx32 "\n",
+ i-1, regs[i]);
}
}
@@ -1035,7 +1102,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write ICache victim */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1046,7 +1114,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
/* restore CP15 MMU and Cache settings */
arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl_saved);
- command_print(CMD_CTX, "cache content successfully output to %s", CMD_ARGV[0]);
+ command_print(CMD_CTX, "cache content successfully output to %s",
+ CMD_ARGV[0]);
fclose(output);
@@ -1117,7 +1186,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
return retval;
}
cp15_ctrl_saved = cp15_ctrl;
- cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED | ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
+ cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED
+ | ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl);
/* read CP15 test state register */
@@ -1135,7 +1205,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
arm920t_write_cp15_physical(target, CP15PHYS_TESTSTATE, cp15c15);
/* Read D TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MRC(15,0,0,10,0,0), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MRC(15,0,0,10,0,0), ARMV4_5_LDR(1, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1152,7 +1223,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
for (victim = 0; victim < 64; victim += 8)
{
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
- * base remains unchanged, victim goes through entries 0 to 63 */
+ * base remains unchanged, victim goes through entries 0 to 63
+ */
regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
arm9tdmi_write_core_regs(target, 0x2, regs);
@@ -1162,10 +1234,14 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write D TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,10,0,0),
+ ARMV4_5_STR(1, 0));
/* Read D TLB CAM */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,6,4), ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,4,0,15,6,4),
+ ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1186,7 +1262,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
for (victim = 0; victim < 64; victim++)
{
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
- * base remains unchanged, victim goes through entries 0 to 63 */
+ * base remains unchanged, victim goes through entries 0 to 63
+ */
regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
arm9tdmi_write_core_regs(target, 0x2, regs);
@@ -1196,13 +1273,16 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write D TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
/* Read D TLB RAM1 */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,10,4), ARMV4_5_LDR(2,0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,4,0,15,10,4), ARMV4_5_LDR(2,0));
/* Read D TLB RAM2 */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,2,5), ARMV4_5_LDR(3,0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,4,0,15,2,5), ARMV4_5_LDR(3,0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1225,7 +1305,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
arm9tdmi_write_core_regs(target, 0x2, regs);
/* Write D TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
/* prepare reading I TLB content
* */
@@ -1235,7 +1316,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
arm920t_write_cp15_physical(target, CP15PHYS_TESTSTATE, cp15c15);
/* Read I TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MRC(15,0,0,10,0,1), ARMV4_5_LDR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MRC(15,0,0,10,0,1), ARMV4_5_LDR(1, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1252,7 +1334,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
for (victim = 0; victim < 64; victim += 8)
{
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
- * base remains unchanged, victim goes through entries 0 to 63 */
+ * base remains unchanged, victim goes through entries 0 to 63
+ */
regs[1] = (Ilockdown & 0xfc000000) | (victim << 20);
arm9tdmi_write_core_regs(target, 0x2, regs);
@@ -1262,10 +1345,14 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write I TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,10,0,1),
+ ARMV4_5_STR(1, 0));
/* Read I TLB CAM */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,5,4), ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,4,0,15,5,4),
+ ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1286,7 +1373,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
for (victim = 0; victim < 64; victim++)
{
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
- * base remains unchanged, victim goes through entries 0 to 63 */
+ * base remains unchanged, victim goes through entries 0 to 63
+ */
regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
arm9tdmi_write_core_regs(target, 0x2, regs);
@@ -1296,13 +1384,16 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
CP15PHYS_TESTSTATE, cp15c15);
/* Write I TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
/* Read I TLB RAM1 */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,9,4), ARMV4_5_LDR(2,0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,4,0,15,9,4), ARMV4_5_LDR(2,0));
/* Read I TLB RAM2 */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,1,5), ARMV4_5_LDR(3,0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,4,0,15,1,5), ARMV4_5_LDR(3,0));
/* clear interpret mode */
cp15c15 &= ~0x1;
@@ -1325,7 +1416,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
arm9tdmi_write_core_regs(target, 0x2, regs);
/* Write I TLB lockdown */
- arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
+ arm920t_execute_cp15(target,
+ ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
/* restore CP15 MMU and Cache settings */
arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl_saved);
@@ -1334,16 +1426,23 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
fprintf(output, "D TLB content:\n");
for (i = 0; i < 64; i++)
{
- fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " %s\n", i, d_tlb[i].cam, d_tlb[i].ram1, d_tlb[i].ram2, (d_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
+ fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32
+ " 0x%8.8" PRIx32 " %s\n",
+ i, d_tlb[i].cam, d_tlb[i].ram1, d_tlb[i].ram2,
+ (d_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
}
fprintf(output, "\n\nI TLB content:\n");
for (i = 0; i < 64; i++)
{
- fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " %s\n", i, i_tlb[i].cam, i_tlb[i].ram1, i_tlb[i].ram2, (i_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
+ fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32
+ " 0x%8.8" PRIx32 " %s\n",
+ i, i_tlb[i].cam, i_tlb[i].ram1, i_tlb[i].ram2,
+ (i_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
}
- command_print(CMD_CTX, "mmu content successfully output to %s", CMD_ARGV[0]);
+ command_print(CMD_CTX, "mmu content successfully output to %s",
+ CMD_ARGV[0]);
fclose(output);
@@ -1382,11 +1481,14 @@ COMMAND_HANDLER(arm920t_handle_cp15_command)
if (target->state != TARGET_HALTED)
{
- command_print(CMD_CTX, "target must be stopped for \"%s\" command", CMD_NAME);
+ command_print(CMD_CTX, "target must be stopped for "
+ "\"%s\" command", CMD_NAME);
return ERROR_OK;
}
- /* one or more argument, access a single register (write if second argument is given */
+ /* one argument, read a register.
+ * two arguments, write it.
+ */
if (CMD_ARGC >= 1)
{
int address;
@@ -1395,9 +1497,11 @@ COMMAND_HANDLER(arm920t_handle_cp15_command)
if (CMD_ARGC == 1)
{
uint32_t value;
- if ((retval = arm920t_read_cp15_physical(target, address, &value)) != ERROR_OK)
+ if ((retval = arm920t_read_cp15_physical(target,
+ address, &value)) != ERROR_OK)
{
- command_print(CMD_CTX, "couldn't access reg %i", address);
+ command_print(CMD_CTX,
+ "couldn't access reg %i", address);
return ERROR_OK;
}
if ((retval = jtag_execute_queue()) != ERROR_OK)
@@ -1405,18 +1509,24 @@ COMMAND_HANDLER(arm920t_handle_cp15_command)
return retval;
}
- command_print(CMD_CTX, "%i: %8.8" PRIx32 "", address, value);
+ command_print(CMD_CTX, "%i: %8.8" PRIx32,
+ address, value);
}
else if (CMD_ARGC == 2)
{
uint32_t value;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
- if ((retval = arm920t_write_cp15_physical(target, address, value)) != ERROR_OK)
+ retval = arm920t_write_cp15_physical(target,
+ address, value);
+ if (retval != ERROR_OK)
{
- command_print(CMD_CTX, "couldn't access reg %i", address);
+ command_print(CMD_CTX,
+ "couldn't access reg %i", address);
+ /* REVISIT why lie? "return retval"? */
return ERROR_OK;
}
- command_print(CMD_CTX, "%i: %8.8" PRIx32 "", address, value);
+ command_print(CMD_CTX, "%i: %8.8" PRIx32,
+ address, value);
}
}
@@ -1436,11 +1546,14 @@ COMMAND_HANDLER(arm920t_handle_cp15i_command)
if (target->state != TARGET_HALTED)
{
- command_print(CMD_CTX, "target must be stopped for \"%s\" command", CMD_NAME);
+ command_print(CMD_CTX, "target must be stopped for "
+ "\"%s\" command", CMD_NAME);
return ERROR_OK;
}
- /* one or more argument, access a single register (write if second argument is given */
+ /* one argument, read a register.
+ * two arguments, write it.
+ */
if (CMD_ARGC >= 1)
{
uint32_t opcode;
@@ -1449,24 +1562,36 @@ COMMAND_HANDLER(arm920t_handle_cp15i_command)
if (CMD_ARGC == 1)
{
uint32_t value;
- if ((retval = arm920t_read_cp15_interpreted(target, opcode, 0x0, &value)) != ERROR_OK)
+ retval = arm920t_read_cp15_interpreted(target,
+ opcode, 0x0, &value);
+ if (retval != ERROR_OK)
{
- command_print(CMD_CTX, "couldn't execute %8.8" PRIx32 "", opcode);
+ command_print(CMD_CTX,
+ "couldn't execute %8.8" PRIx32,
+ opcode);
+ /* REVISIT why lie? "return retval"? */
return ERROR_OK;
}
- command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32 "", opcode, value);
+ command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32,
+ opcode, value);
}
else if (CMD_ARGC == 2)
{
uint32_t value;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
- if ((retval = arm920t_write_cp15_interpreted(target, opcode, value, 0)) != ERROR_OK)
+ retval = arm920t_write_cp15_interpreted(target,
+ opcode, value, 0);
+ if (retval != ERROR_OK)
{
- command_print(CMD_CTX, "couldn't execute %8.8" PRIx32 "", opcode);
+ command_print(CMD_CTX,
+ "couldn't execute %8.8" PRIx32,
+ opcode);
+ /* REVISIT why lie? "return retval"? */
return ERROR_OK;
}
- command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32 "", opcode, value);
+ command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32,
+ opcode, value);
}
else if (CMD_ARGC == 3)
{
@@ -1474,17 +1599,23 @@ COMMAND_HANDLER(arm920t_handle_cp15i_command)
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
uint32_t address;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], address);
- if ((retval = arm920t_write_cp15_interpreted(target, opcode, value, address)) != ERROR_OK)
+ retval = arm920t_write_cp15_interpreted(target,
+ opcode, value, address);
+ if (retval != ERROR_OK)
{
- command_print(CMD_CTX, "couldn't execute %8.8" PRIx32 "", opcode);
+ command_print(CMD_CTX,
+ "couldn't execute %8.8" PRIx32, opcode);
+ /* REVISIT why lie? "return retval"? */
return ERROR_OK;
}
- command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32 " %8.8" PRIx32 "", opcode, value, address);
+ command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32
+ " %8.8" PRIx32, opcode, value, address);
}
}
else
{
- command_print(CMD_CTX, "usage: arm920t cp15i <opcode> [value] [address]");
+ command_print(CMD_CTX,
+ "usage: arm920t cp15i <opcode> [value] [address]");
}
return ERROR_OK;
@@ -1500,7 +1631,8 @@ COMMAND_HANDLER(arm920t_handle_cache_info_command)
if (retval != ERROR_OK)
return retval;
- return armv4_5_handle_cache_info_command(CMD_CTX, &arm920t->armv4_5_mmu.armv4_5_cache);
+ return armv4_5_handle_cache_info_command(CMD_CTX,
+ &arm920t->armv4_5_mmu.armv4_5_cache);
}
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-23 12:56:17 +0000