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authorDavid Brownell <dbrownell@users.sourceforge.net>2009-11-17 09:06:45 -0800
committerDavid Brownell <dbrownell@users.sourceforge.net>2009-11-17 09:06:45 -0800
commitf4788652e45662d1e43933dc0620561bc4cddae0 (patch)
tree0cda3c8b5ad766f3dea26d83c2a70b7cb52837d7 /src/target
parent959b373f8cdc2c1ad11c67c6916f88f48769438f (diff)
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target: simplify register get/set ops
No need to indirect from registered integers to pointers. Just stash the pointers directly in the register struct, and don't even bother registering. This is a small code shrink, speeds register access just a smidgeon, and gets rid of another rude exit() path. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Diffstat (limited to 'src/target')
-rw-r--r--src/target/arm11.c14
-rw-r--r--src/target/armv4_5.c14
-rw-r--r--src/target/armv7a.c1
-rw-r--r--src/target/armv7m.c16
-rw-r--r--src/target/cortex_m3.c11
-rw-r--r--src/target/embeddedice.c14
-rw-r--r--src/target/etb.c13
-rw-r--r--src/target/etm.c13
-rw-r--r--src/target/mips32.c13
-rw-r--r--src/target/register.c51
-rw-r--r--src/target/register.h8
-rw-r--r--src/target/target.c6
-rw-r--r--src/target/xscale.c13
13 files changed, 60 insertions, 127 deletions
diff --git a/src/target/arm11.c b/src/target/arm11.c
index 31135e4a..936edd81 100644
--- a/src/target/arm11.c
+++ b/src/target/arm11.c
@@ -58,8 +58,6 @@ static uint32_t arm11_vcr = 0;
static bool arm11_config_step_irq_enable = false;
static bool arm11_config_hardware_step = false;
-static int arm11_regs_arch_type = -1;
-
enum arm11_regtype
{
ARM11_REGISTER_CORE,
@@ -263,7 +261,6 @@ static struct reg arm11_gdb_dummy_fp_reg =
.valid = 1,
.size = 96,
.arch_info = NULL,
- .arch_type = 0,
};
static uint8_t arm11_gdb_dummy_fps_value[4];
@@ -276,7 +273,6 @@ static struct reg arm11_gdb_dummy_fps_reg =
.valid = 1,
.size = 32,
.arch_info = NULL,
- .arch_type = 0,
};
@@ -1945,6 +1941,11 @@ static int arm11_set_reg(struct reg *reg, uint8_t *buf)
return ERROR_OK;
}
+static const struct reg_arch_type arm11_reg_type = {
+ .get = arm11_get_reg,
+ .set = arm11_set_reg,
+};
+
static int arm11_build_reg_cache(struct target *target)
{
struct arm11_common *arm11 = target_to_arm11(target);
@@ -1953,9 +1954,6 @@ static int arm11_build_reg_cache(struct target *target)
NEW(struct reg, reg_list, ARM11_REGCACHE_COUNT);
NEW(struct arm11_reg_state, 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);
-
register_init_dummy(&arm11_gdb_dummy_fp_reg);
register_init_dummy(&arm11_gdb_dummy_fps_reg);
@@ -1995,7 +1993,7 @@ static int arm11_build_reg_cache(struct target *target)
r->value = (uint8_t *)(arm11->reg_values + i);
r->dirty = 0;
r->valid = 0;
- r->arch_type = arm11_regs_arch_type;
+ r->type = &arm11_reg_type;
r->arch_info = rs;
rs->def_index = i;
diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index 717c8265..413061fc 100644
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -116,8 +116,6 @@ char* armv4_5_state_strings[] =
"ARM", "Thumb", "Jazelle"
};
-int armv4_5_core_reg_arch_type = -1;
-
struct armv4_5_core_reg armv4_5_core_reg_list_arch_info[] =
{
{0, ARMV4_5_MODE_ANY, NULL, NULL},
@@ -201,7 +199,6 @@ struct reg armv4_5_gdb_dummy_fp_reg =
.valid = 1,
.size = 96,
.arch_info = NULL,
- .arch_type = 0,
};
uint8_t armv4_5_gdb_dummy_fps_value[] = {0, 0, 0, 0};
@@ -214,7 +211,6 @@ struct reg armv4_5_gdb_dummy_fps_reg =
.valid = 1,
.size = 32,
.arch_info = NULL,
- .arch_type = 0,
};
int armv4_5_get_core_reg(struct reg *reg)
@@ -285,6 +281,11 @@ int armv4_5_set_core_reg(struct reg *reg, uint8_t *buf)
return ERROR_OK;
}
+static const struct reg_arch_type arm_reg_type = {
+ .get = armv4_5_get_core_reg,
+ .set = armv4_5_set_core_reg,
+};
+
int armv4_5_invalidate_core_regs(struct target *target)
{
struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target);
@@ -312,9 +313,6 @@ struct reg_cache* armv4_5_build_reg_cache(struct target *target, struct arm *arm
cache->reg_list = reg_list;
cache->num_regs = num_regs;
- if (armv4_5_core_reg_arch_type == -1)
- armv4_5_core_reg_arch_type = register_reg_arch_type(armv4_5_get_core_reg, armv4_5_set_core_reg);
-
register_init_dummy(&armv4_5_gdb_dummy_fp_reg);
register_init_dummy(&armv4_5_gdb_dummy_fps_reg);
@@ -328,7 +326,7 @@ struct reg_cache* armv4_5_build_reg_cache(struct target *target, struct arm *arm
reg_list[i].value = calloc(1, 4);
reg_list[i].dirty = 0;
reg_list[i].valid = 0;
- reg_list[i].arch_type = armv4_5_core_reg_arch_type;
+ reg_list[i].type = &arm_reg_type;
reg_list[i].arch_info = &arch_info[i];
}
diff --git a/src/target/armv7a.c b/src/target/armv7a.c
index fdaca318..5193b2aa 100644
--- a/src/target/armv7a.c
+++ b/src/target/armv7a.c
@@ -157,7 +157,6 @@ struct reg armv7a_gdb_dummy_fp_reg =
.valid = 1,
.size = 96,
.arch_info = NULL,
- .arch_type = 0,
};
void armv7a_show_fault_registers(struct target *target)
diff --git a/src/target/armv7m.c b/src/target/armv7m.c
index 3b01fa9a..8c1de32e 100644
--- a/src/target/armv7m.c
+++ b/src/target/armv7m.c
@@ -72,7 +72,6 @@ static struct reg armv7m_gdb_dummy_fp_reg =
.valid = 1,
.size = 96,
.arch_info = NULL,
- .arch_type = 0,
};
static uint8_t armv7m_gdb_dummy_fps_value[4];
@@ -85,7 +84,6 @@ static struct reg armv7m_gdb_dummy_fps_reg =
.valid = 1,
.size = 32,
.arch_info = NULL,
- .arch_type = 0,
};
#ifdef ARMV7_GDB_HACKS
@@ -99,7 +97,6 @@ struct reg armv7m_gdb_dummy_cpsr_reg =
.valid = 1,
.size = 32,
.arch_info = NULL,
- .arch_type = 0,
};
#endif
@@ -148,8 +145,6 @@ static const struct {
#define ARMV7M_NUM_REGS ARRAY_SIZE(armv7m_regs)
-static int armv7m_core_reg_arch_type = -1;
-
/**
* Restores target context using the cache of core registers set up
* by armv7m_build_reg_cache(), calling optional core-specific hooks.
@@ -542,6 +537,10 @@ int armv7m_arch_state(struct target *target)
return ERROR_OK;
}
+static const struct reg_arch_type armv7m_reg_type = {
+ .get = armv7m_get_core_reg,
+ .set = armv7m_set_core_reg,
+};
/** Builds cache of architecturally defined registers. */
struct reg_cache *armv7m_build_reg_cache(struct target *target)
@@ -554,11 +553,6 @@ struct reg_cache *armv7m_build_reg_cache(struct target *target)
struct armv7m_core_reg *arch_info = calloc(num_regs, sizeof(struct armv7m_core_reg));
int i;
- if (armv7m_core_reg_arch_type == -1)
- {
- armv7m_core_reg_arch_type = register_reg_arch_type(armv7m_get_core_reg, armv7m_set_core_reg);
- }
-
register_init_dummy(&armv7m_gdb_dummy_fps_reg);
#ifdef ARMV7_GDB_HACKS
register_init_dummy(&armv7m_gdb_dummy_cpsr_reg);
@@ -583,7 +577,7 @@ struct reg_cache *armv7m_build_reg_cache(struct target *target)
reg_list[i].value = calloc(1, 4);
reg_list[i].dirty = 0;
reg_list[i].valid = 0;
- reg_list[i].arch_type = armv7m_core_reg_arch_type;
+ reg_list[i].type = &armv7m_reg_type;
reg_list[i].arch_info = &arch_info[i];
}
diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c
index 7e48dae1..c7b978b7 100644
--- a/src/target/cortex_m3.c
+++ b/src/target/cortex_m3.c
@@ -1478,7 +1478,10 @@ static struct dwt_reg dwt_comp[] = {
#undef DWT_COMPARATOR
};
-static int dwt_reg_type = -1;
+static const struct reg_arch_type dwt_reg_type = {
+ .get = cortex_m3_dwt_get_reg,
+ .set = cortex_m3_dwt_set_reg,
+};
static void
cortex_m3_dwt_addreg(struct target *t, struct reg *r, struct dwt_reg *d)
@@ -1495,7 +1498,7 @@ cortex_m3_dwt_addreg(struct target *t, struct reg *r, struct dwt_reg *d)
r->size = d->size;
r->value = &state->value;
r->arch_info = state;
- r->arch_type = dwt_reg_type;
+ r->type = &dwt_reg_type;
}
static void
@@ -1512,10 +1515,6 @@ cortex_m3_dwt_setup(struct cortex_m3_common *cm3, struct target *target)
return;
}
- if (dwt_reg_type < 0)
- dwt_reg_type = register_reg_arch_type(cortex_m3_dwt_get_reg,
- cortex_m3_dwt_set_reg);
-
cm3->dwt_num_comp = (dwtcr >> 28) & 0xF;
cm3->dwt_comp_available = cm3->dwt_num_comp;
cm3->dwt_comparator_list = calloc(cm3->dwt_num_comp,
diff --git a/src/target/embeddedice.c b/src/target/embeddedice.c
index 2e9f1c00..e375475b 100644
--- a/src/target/embeddedice.c
+++ b/src/target/embeddedice.c
@@ -143,8 +143,6 @@ static const struct {
};
-static int embeddedice_reg_arch_type = -1;
-
static int embeddedice_get_reg(struct reg *reg)
{
int retval;
@@ -157,6 +155,11 @@ static int embeddedice_get_reg(struct reg *reg)
return retval;
}
+static const struct reg_arch_type eice_reg_type = {
+ .get = embeddedice_get_reg,
+ .set = embeddedice_set_reg_w_exec,
+};
+
/**
* Probe EmbeddedICE module and set up local records of its registers.
* Different versions of the modules have different capabilities, such as
@@ -174,11 +177,6 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
int i;
int eice_version = 0;
- /* register arch-type for EmbeddedICE registers only once */
- if (embeddedice_reg_arch_type == -1)
- embeddedice_reg_arch_type = register_reg_arch_type(
- embeddedice_get_reg, embeddedice_set_reg_w_exec);
-
/* vector_catch isn't always present */
if (!arm7_9->has_vector_catch)
num_regs--;
@@ -202,7 +200,7 @@ embeddedice_build_reg_cache(struct target *target, struct arm7_9_common *arm7_9)
reg_list[i].valid = 0;
reg_list[i].value = calloc(1, 4);
reg_list[i].arch_info = &arch_info[i];
- reg_list[i].arch_type = embeddedice_reg_arch_type;
+ reg_list[i].type = &eice_reg_type;
arch_info[i].addr = eice_regs[i].addr;
arch_info[i].jtag_info = jtag_info;
}
diff --git a/src/target/etb.c b/src/target/etb.c
index 196df6c9..859ebaf1 100644
--- a/src/target/etb.c
+++ b/src/target/etb.c
@@ -40,8 +40,6 @@ static char* etb_reg_list[] =
"ETB_control",
};
-static int etb_reg_arch_type = -1;
-
static int etb_get_reg(struct reg *reg);
static int etb_set_instr(struct etb *etb, uint32_t new_instr)
@@ -123,6 +121,11 @@ static int etb_get_reg(struct reg *reg)
return ERROR_OK;
}
+static const struct reg_arch_type etb_reg_type = {
+ .get = etb_get_reg,
+ .set = etb_set_reg_w_exec,
+};
+
struct reg_cache* etb_build_reg_cache(struct etb *etb)
{
struct reg_cache *reg_cache = malloc(sizeof(struct reg_cache));
@@ -131,10 +134,6 @@ struct reg_cache* etb_build_reg_cache(struct etb *etb)
int num_regs = 9;
int i;
- /* register a register arch-type for etm registers only once */
- if (etb_reg_arch_type == -1)
- etb_reg_arch_type = register_reg_arch_type(etb_get_reg, etb_set_reg_w_exec);
-
/* the actual registers are kept in two arrays */
reg_list = calloc(num_regs, sizeof(struct reg));
arch_info = calloc(num_regs, sizeof(struct etb_reg));
@@ -154,7 +153,7 @@ struct reg_cache* etb_build_reg_cache(struct etb *etb)
reg_list[i].valid = 0;
reg_list[i].value = calloc(1, 4);
reg_list[i].arch_info = &arch_info[i];
- reg_list[i].arch_type = etb_reg_arch_type;
+ reg_list[i].type = &etb_reg_type;
reg_list[i].size = 32;
arch_info[i].addr = i;
arch_info[i].etb = etb;
diff --git a/src/target/etm.c b/src/target/etm.c
index fa7a71b2..31b8bb2d 100644
--- a/src/target/etm.c
+++ b/src/target/etm.c
@@ -214,8 +214,6 @@ static const struct etm_reg_info etm_outputs[] = {
{ 0x6f, 32, RO, 0x20, "ETM_contextid_comparator_mask", }
#endif
-static int etm_reg_arch_type = -1;
-
static int etm_get_reg(struct reg *reg);
static int etm_read_reg_w_check(struct reg *reg,
uint8_t* check_value, uint8_t* check_mask);
@@ -225,6 +223,10 @@ static int etm_write_reg(struct reg *reg, uint32_t value);
static struct command *etm_cmd;
+static const struct reg_arch_type etm_scan6_type = {
+ .get = etm_get_reg,
+ .set = etm_set_reg_w_exec,
+};
/* Look up register by ID ... most ETM instances only
* support a subset of the possible registers.
@@ -269,7 +271,7 @@ static void etm_reg_add(unsigned bcd_vers, struct arm_jtag *jtag_info,
reg->size = r->size;
reg->value = &ereg->value;
reg->arch_info = ereg;
- reg->arch_type = etm_reg_arch_type;
+ reg->type = &etm_scan6_type;
reg++;
cache->num_regs++;
@@ -287,11 +289,6 @@ struct reg_cache *etm_build_reg_cache(struct target *target,
struct etm_reg *arch_info = NULL;
unsigned bcd_vers, config;
- /* register a register arch-type for etm registers only once */
- if (etm_reg_arch_type == -1)
- etm_reg_arch_type = register_reg_arch_type(etm_get_reg,
- etm_set_reg_w_exec);
-
/* the actual registers are kept in two arrays */
reg_list = calloc(128, sizeof(struct reg));
arch_info = calloc(128, sizeof(struct etm_reg));
diff --git a/src/target/mips32.c b/src/target/mips32.c
index 1315744c..f986079d 100644
--- a/src/target/mips32.c
+++ b/src/target/mips32.c
@@ -97,11 +97,8 @@ struct reg mips32_gdb_dummy_fp_reg =
.valid = 1,
.size = 32,
.arch_info = NULL,
- .arch_type = 0,
};
-int mips32_core_reg_arch_type = -1;
-
int mips32_get_core_reg(struct reg *reg)
{
int retval;
@@ -278,6 +275,11 @@ int mips32_arch_state(struct target *target)
return ERROR_OK;
}
+static const struct reg_arch_type mips32_reg_type = {
+ .get = mips32_get_core_reg,
+ .set = mips32_set_core_reg,
+};
+
struct reg_cache *mips32_build_reg_cache(struct target *target)
{
/* get pointers to arch-specific information */
@@ -290,9 +292,6 @@ struct reg_cache *mips32_build_reg_cache(struct target *target)
struct mips32_core_reg *arch_info = malloc(sizeof(struct mips32_core_reg) * num_regs);
int i;
- if (mips32_core_reg_arch_type == -1)
- mips32_core_reg_arch_type = register_reg_arch_type(mips32_get_core_reg, mips32_set_core_reg);
-
register_init_dummy(&mips32_gdb_dummy_fp_reg);
/* Build the process context cache */
@@ -313,7 +312,7 @@ struct reg_cache *mips32_build_reg_cache(struct target *target)
reg_list[i].value = calloc(1, 4);
reg_list[i].dirty = 0;
reg_list[i].valid = 0;
- reg_list[i].arch_type = mips32_core_reg_arch_type;
+ reg_list[i].type = &mips32_reg_type;
reg_list[i].arch_info = &arch_info[i];
}
diff --git a/src/target/register.c b/src/target/register.c
index bb046a1c..d9ef53e3 100644
--- a/src/target/register.c
+++ b/src/target/register.c
@@ -29,8 +29,6 @@
#include "log.h"
-struct reg_arch_type *reg_arch_types = NULL;
-
struct reg* register_get_by_name(struct reg_cache *first,
const char *name, bool search_all)
{
@@ -67,44 +65,6 @@ struct reg_cache** register_get_last_cache_p(struct reg_cache **first)
return cache_p;
}
-int register_reg_arch_type(int (*get)(struct reg *reg), int (*set)(struct reg *reg, uint8_t *buf))
-{
- struct reg_arch_type** arch_type_p = &reg_arch_types;
- int id = 0;
-
- if (*arch_type_p)
- {
- while (*arch_type_p)
- {
- id = (*arch_type_p)->id;
- arch_type_p = &((*arch_type_p)->next);
- }
- }
-
- (*arch_type_p) = malloc(sizeof(struct reg_arch_type));
- (*arch_type_p)->id = id + 1;
- (*arch_type_p)->set = set;
- (*arch_type_p)->get = get;
- (*arch_type_p)->next = NULL;
-
- return id + 1;
-}
-
-struct reg_arch_type* register_get_arch_type(int id)
-{
- struct reg_arch_type *arch_type = reg_arch_types;
-
- while (arch_type)
- {
- if (arch_type->id == id)
- return arch_type;
- arch_type = arch_type->next;
- }
- LOG_ERROR("BUG: encountered unregistered arch type 0x%08x", id);
- exit(-1);
- return NULL;
-}
-
static int register_get_dummy_core_reg(struct reg *reg)
{
return ERROR_OK;
@@ -118,11 +78,12 @@ static int register_set_dummy_core_reg(struct reg *reg, uint8_t *buf)
return ERROR_OK;
}
+static const struct reg_arch_type dummy_type = {
+ .get = register_get_dummy_core_reg,
+ .set = register_set_dummy_core_reg,
+};
+
void register_init_dummy(struct reg *reg)
{
- static int dummy_arch_type = -1;
- if (dummy_arch_type == -1)
- dummy_arch_type = register_reg_arch_type(register_get_dummy_core_reg, register_set_dummy_core_reg);
-
- reg->arch_type = dummy_arch_type;
+ reg->type = &dummy_type;
}
diff --git a/src/target/register.h b/src/target/register.h
index 84d2aaad..c14dfd43 100644
--- a/src/target/register.h
+++ b/src/target/register.h
@@ -33,7 +33,7 @@ struct reg
int valid;
uint32_t size;
void *arch_info;
- int arch_type;
+ const struct reg_arch_type *type;
};
struct reg_cache
@@ -46,20 +46,14 @@ struct reg_cache
struct reg_arch_type
{
- int id;
int (*get)(struct reg *reg);
int (*set)(struct reg *reg, uint8_t *buf);
- struct reg_arch_type *next;
};
struct reg* register_get_by_name(struct reg_cache *first,
const char *name, bool search_all);
struct reg_cache** register_get_last_cache_p(struct reg_cache **first);
-int register_reg_arch_type(int (*get)(struct reg *reg),
- int (*set)(struct reg *reg, uint8_t *buf));
-struct reg_arch_type* register_get_arch_type(int id);
-
void register_init_dummy(struct reg *reg);
#endif /* REGISTER_H */
diff --git a/src/target/target.c b/src/target/target.c
index c00c2ed9..0b2438c3 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -1955,8 +1955,7 @@ COMMAND_HANDLER(handle_reg_command)
if (reg->valid == 0)
{
- struct reg_arch_type *arch_type = register_get_arch_type(reg->arch_type);
- arch_type->get(reg);
+ reg->type->get(reg);
}
value = buf_to_str(reg->value, reg->size, 16);
command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
@@ -1970,8 +1969,7 @@ COMMAND_HANDLER(handle_reg_command)
uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
- struct reg_arch_type *arch_type = register_get_arch_type(reg->arch_type);
- arch_type->set(reg, buf);
+ reg->type->set(reg, buf);
value = buf_to_str(reg->value, reg->size, 16);
command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
diff --git a/src/target/xscale.c b/src/target/xscale.c
index 742dd257..4c3945c5 100644
--- a/src/target/xscale.c
+++ b/src/target/xscale.c
@@ -134,8 +134,6 @@ static const struct xscale_reg xscale_reg_arch_info[] =
{-1, NULL}, /* TXRXCTRL implicit access via JTAG */
};
-static int xscale_reg_arch_type = -1;
-
/* convenience wrapper to access XScale specific registers */
static int xscale_set_reg_u32(struct reg *reg, uint32_t value)
{
@@ -2819,6 +2817,11 @@ static int xscale_analyze_trace(struct target *target, struct command_context *c
return ERROR_OK;
}
+static const struct reg_arch_type xscale_reg_type = {
+ .get = xscale_get_reg,
+ .set = xscale_set_reg,
+};
+
static void xscale_build_reg_cache(struct target *target)
{
struct xscale_common *xscale = target_to_xscale(target);
@@ -2831,10 +2834,6 @@ static void xscale_build_reg_cache(struct target *target)
(*cache_p) = armv4_5_build_reg_cache(target, armv4_5);
armv4_5->core_cache = (*cache_p);
- /* register a register arch-type for XScale dbg registers only once */
- if (xscale_reg_arch_type == -1)
- xscale_reg_arch_type = register_reg_arch_type(xscale_get_reg, xscale_set_reg);
-
(*cache_p)->next = malloc(sizeof(struct reg_cache));
cache_p = &(*cache_p)->next;
@@ -2852,7 +2851,7 @@ static void xscale_build_reg_cache(struct target *target)
(*cache_p)->reg_list[i].valid = 0;
(*cache_p)->reg_list[i].size = 32;
(*cache_p)->reg_list[i].arch_info = &arch_info[i];
- (*cache_p)->reg_list[i].arch_type = xscale_reg_arch_type;
+ (*cache_p)->reg_list[i].type = &xscale_reg_type;
arch_info[i] = xscale_reg_arch_info[i];
arch_info[i].target = target;
}