/** Builds cache of architecturally defined registers. */
struct reg_cache *armv7m_build_reg_cache(struct target *target)
{
struct armv7m_common *armv7m = target_to_armv7m(target);
struct arm *arm = &armv7m->arm;
int num_regs = ARMV7M_NUM_REGS;
struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
struct reg_cache *cache = malloc(sizeof(struct reg_cache));
struct reg *reg_list = calloc(num_regs, sizeof(struct reg));
struct armv7m_core_reg *arch_info = calloc(num_regs, sizeof(struct armv7m_core_reg));
int i;
#ifdef ARMV7_GDB_HACKS
register_init_dummy(&armv7m_gdb_dummy_cpsr_reg);
#endif
/* Build the process context cache */
cache->name = "arm v7m registers";
cache->next = NULL;
cache->reg_list = reg_list;
cache->num_regs = num_regs;
(*cache_p) = cache;
armv7m->core_cache = cache;
for (i = 0; i < num_regs; i++)
{
arch_info[i].num = armv7m_regs[i].id;
arch_info[i].target = target;
arch_info[i].armv7m_common = armv7m;
reg_list[i].name = armv7m_regs[i].name;
reg_list[i].size = armv7m_regs[i].bits;
reg_list[i].value = calloc(1, 4);
reg_list[i].dirty = 0;
reg_list[i].valid = 0;
reg_list[i].type = &armv7m_reg_type;
reg_list[i].arch_info = &arch_info[i];
}
arm->cpsr = reg_list + ARMV7M_xPSR;
arm->pc = reg_list + ARMV7M_PC;
arm->core_cache = cache;
return cache;
}
struct reg_cache *mips32_build_reg_cache(struct target *target)
{
/* get pointers to arch-specific information */
struct mips32_common *mips32 = target_to_mips32(target);
int num_regs = MIPS32NUMCOREREGS;
struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
struct reg_cache *cache = malloc(sizeof(struct reg_cache));
struct reg *reg_list = malloc(sizeof(struct reg) * num_regs);
struct mips32_core_reg *arch_info = malloc(sizeof(struct mips32_core_reg) * num_regs);
int i;
register_init_dummy(&mips32_gdb_dummy_fp_reg);
/* Build the process context cache */
cache->name = "mips32 registers";
cache->next = NULL;
cache->reg_list = reg_list;
cache->num_regs = num_regs;
(*cache_p) = cache;
mips32->core_cache = cache;
for (i = 0; i < num_regs; i++)
{
arch_info[i] = mips32_core_reg_list_arch_info[i];
arch_info[i].target = target;
arch_info[i].mips32_common = mips32;
reg_list[i].name = mips32_core_reg_list[i];
reg_list[i].size = 32;
reg_list[i].value = calloc(1, 4);
reg_list[i].dirty = 0;
reg_list[i].valid = 0;
reg_list[i].type = &mips32_reg_type;
reg_list[i].arch_info = &arch_info[i];
}
return cache;
}
static void arm_gdb_dummy_init(void)
{
register_init_dummy(&arm_gdb_dummy_fp_reg);
register_init_dummy(&arm_gdb_dummy_fps_reg);
}
struct reg_cache *mips32_build_reg_cache(struct target *target)
{
/* get pointers to arch-specific information */
struct mips32_common *mips32 = target_to_mips32(target);
int num_regs = MIPS32_NUM_REGS;
struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
struct reg_cache *cache = malloc(sizeof(struct reg_cache));
struct reg *reg_list = calloc(num_regs, sizeof(struct reg));
struct mips32_core_reg *arch_info = malloc(sizeof(struct mips32_core_reg) * num_regs);
struct reg_feature *feature;
int i;
/* Build the process context cache */
cache->name = "mips32 registers";
cache->next = NULL;
cache->reg_list = reg_list;
cache->num_regs = num_regs;
(*cache_p) = cache;
mips32->core_cache = cache;
for (i = 0; i < num_regs; i++) {
arch_info[i].num = mips32_regs[i].id;
arch_info[i].target = target;
arch_info[i].mips32_common = mips32;
reg_list[i].name = mips32_regs[i].name;
reg_list[i].size = 32;
if (mips32_regs[i].flag == MIPS32_GDB_DUMMY_FP_REG) {
reg_list[i].value = mips32_gdb_dummy_fp_value;
reg_list[i].valid = 1;
reg_list[i].arch_info = NULL;
register_init_dummy(®_list[i]);
} else {
reg_list[i].value = calloc(1, 4);
reg_list[i].valid = 0;
reg_list[i].type = &mips32_reg_type;
reg_list[i].arch_info = &arch_info[i];
reg_list[i].reg_data_type = calloc(1, sizeof(struct reg_data_type));
if (reg_list[i].reg_data_type)
reg_list[i].reg_data_type->type = mips32_regs[i].type;
else
LOG_ERROR("unable to allocate reg type list");
}
reg_list[i].dirty = 0;
reg_list[i].group = mips32_regs[i].group;
reg_list[i].number = i;
reg_list[i].exist = true;
reg_list[i].caller_save = true; /* gdb defaults to true */
feature = calloc(1, sizeof(struct reg_feature));
if (feature) {
feature->name = mips32_regs[i].feature;
reg_list[i].feature = feature;
} else
LOG_ERROR("unable to allocate feature list");
}
return cache;
}
