diff options
| -rw-r--r-- | gdbstub.c | 76 |
1 files changed, 72 insertions, 4 deletions
@@ -421,6 +421,72 @@ static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) ptr += 8 * 12 + 4; cpsr_write (env, tswapl(*(uint32_t *)ptr), 0xffffffff); } +#elif defined (TARGET_MIPS) +static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) +{ + int i; + uint8_t *ptr; + + ptr = mem_buf; + for (i = 0; i < 32; i++) + { + *(uint32_t *)ptr = tswapl(env->gpr[i]); + ptr += 4; + } + + *(uint32_t *)ptr = tswapl(env->CP0_Status); + ptr += 4; + + *(uint32_t *)ptr = tswapl(env->LO); + ptr += 4; + + *(uint32_t *)ptr = tswapl(env->HI); + ptr += 4; + + *(uint32_t *)ptr = tswapl(env->CP0_BadVAddr); + ptr += 4; + + *(uint32_t *)ptr = tswapl(env->CP0_Cause); + ptr += 4; + + *(uint32_t *)ptr = tswapl(env->PC); + ptr += 4; + + /* 32 FP registers, fsr, fir, fp. Not yet implemented. */ + + return ptr - mem_buf; +} + +static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size) +{ + int i; + uint8_t *ptr; + + ptr = mem_buf; + for (i = 0; i < 32; i++) + { + env->gpr[i] = tswapl(*(uint32_t *)ptr); + ptr += 4; + } + + env->CP0_Status = tswapl(*(uint32_t *)ptr); + ptr += 4; + + env->LO = tswapl(*(uint32_t *)ptr); + ptr += 4; + + env->HI = tswapl(*(uint32_t *)ptr); + ptr += 4; + + env->CP0_BadVAddr = tswapl(*(uint32_t *)ptr); + ptr += 4; + + env->CP0_Cause = tswapl(*(uint32_t *)ptr); + ptr += 4; + + env->PC = tswapl(*(uint32_t *)ptr); + ptr += 4; +} #else static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf) { @@ -511,10 +577,12 @@ static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf) if (*p == ',') p++; len = strtoul(p, NULL, 16); - if (cpu_memory_rw_debug(env, addr, mem_buf, len, 0) != 0) - memset(mem_buf, 0, len); - memtohex(buf, mem_buf, len); - put_packet(s, buf); + if (cpu_memory_rw_debug(env, addr, mem_buf, len, 0) != 0) { + put_packet (s, "E14"); + } else { + memtohex(buf, mem_buf, len); + put_packet(s, buf); + } break; case 'M': addr = strtoul(p, (char **)&p, 16); |