diff options
Diffstat (limited to 'src/target/armv7m.c')
| -rw-r--r-- | src/target/armv7m.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/target/armv7m.c b/src/target/armv7m.c index eaf1eb95..950c5cda 100644 --- a/src/target/armv7m.c +++ b/src/target/armv7m.c @@ -75,6 +75,15 @@ reg_t armv7m_gdb_dummy_fps_reg = "GDB dummy floating-point status register", armv7m_gdb_dummy_fps_value, 0, 1, 32, NULL, 0, NULL, 0 }; +#ifdef ARMV7_GDB_HACKS +u8 armv7m_gdb_dummy_cpsr_value[] = {0, 0, 0, 0}; + +reg_t armv7m_gdb_dummy_cpsr_reg = +{ + "GDB dummy cpsr register", armv7m_gdb_dummy_cpsr_value, 0, 1, 32, NULL, 0, NULL, 0 +}; +#endif + armv7m_core_reg_t armv7m_core_reg_list_arch_info[] = { /* CORE_GP are accesible using the core debug registers */ @@ -199,7 +208,7 @@ int armv7m_read_core_reg(struct target_s *target, int num) buf_set_u32(armv7m->core_cache->reg_list[num].value, 0, 32, reg_value); armv7m->core_cache->reg_list[num].valid = 1; armv7m->core_cache->reg_list[num].dirty = 0; - + return ERROR_OK; } @@ -266,11 +275,18 @@ int armv7m_get_gdb_reg_list(target_t *target, reg_t **reg_list[], int *reg_list_ } (*reg_list)[24] = &armv7m_gdb_dummy_fps_reg; + +#ifdef ARMV7_GDB_HACKS + /* use dummy cpsr reg otherwise gdb may try and set the thumb bit */ + (*reg_list)[25] = &armv7m_gdb_dummy_cpsr_reg; /* ARMV7M is always in thumb mode, try to make GDB understand this * if it does not support this arch */ armv7m->core_cache->reg_list[15].value[0] |= 1; +#else (*reg_list)[25] = &armv7m->core_cache->reg_list[ARMV7M_xPSR]; +#endif + return ERROR_OK; } |