diff options
Diffstat (limited to 'src/target/mips_m4k.c')
| -rw-r--r-- | src/target/mips_m4k.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c index 8b32d115..7ab30fe0 100644 --- a/src/target/mips_m4k.c +++ b/src/target/mips_m4k.c @@ -41,7 +41,7 @@ static int mips_m4k_set_breakpoint(struct target *target, static int mips_m4k_unset_breakpoint(struct target *target, struct breakpoint *breakpoint); static int mips_m4k_internal_restore(struct target *target, int current, - uint32_t address, int handle_breakpoints, + target_addr_t address, int handle_breakpoints, int debug_execution); static int mips_m4k_halt(struct target *target); static int mips_m4k_bulk_write_memory(struct target *target, target_addr_t address, @@ -108,11 +108,14 @@ static int mips_m4k_debug_entry(struct target *target) /* attempt to find halt reason */ mips_m4k_examine_debug_reason(target); + mips32_read_config_regs(target); + /* default to mips32 isa, it will be changed below if required */ mips32->isa_mode = MIPS32_ISA_MIPS32; - if (ejtag_info->impcode & EJTAG_IMP_MIPS16) - mips32->isa_mode = buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 1); + /* other than mips32 only and isa bit set ? */ + if (mips32->isa_imp && buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 1)) + mips32->isa_mode = mips32->isa_imp == 2 ? MIPS32_ISA_MIPS16E : MIPS32_ISA_MMIPS32; LOG_DEBUG("entered debug state at PC 0x%" PRIx32 ", target->state: %s", buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32), @@ -431,7 +434,7 @@ static int mips_m4k_restore_smp(struct target *target, uint32_t address, int han } static int mips_m4k_internal_restore(struct target *target, int current, - uint32_t address, int handle_breakpoints, int debug_execution) + target_addr_t address, int handle_breakpoints, int debug_execution) { struct mips32_common *mips32 = target_to_mips32(target); struct mips_ejtag *ejtag_info = &mips32->ejtag_info; @@ -451,12 +454,13 @@ static int mips_m4k_internal_restore(struct target *target, int current, /* current = 1: continue on current pc, otherwise continue at <address> */ if (!current) { + mips_m4k_isa_filter(mips32->isa_imp, &address); buf_set_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32, address); mips32->core_cache->reg_list[MIPS32_PC].dirty = 1; mips32->core_cache->reg_list[MIPS32_PC].valid = 1; } - if (ejtag_info->impcode & EJTAG_IMP_MIPS16) + if ((mips32->isa_imp > 1) && debug_execution) /* if more than one isa supported */ buf_set_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 1, mips32->isa_mode); if (!current) @@ -544,6 +548,7 @@ static int mips_m4k_step(struct target *target, int current, /* current = 1: continue on current pc, otherwise continue at <address> */ if (!current) { + mips_m4k_isa_filter(mips32->isa_imp, &address); buf_set_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32, address); mips32->core_cache->reg_list[MIPS32_PC].dirty = 1; mips32->core_cache->reg_list[MIPS32_PC].valid = 1; |