diff options
Diffstat (limited to 'target-xtensa/gdbstub.c')
| -rw-r--r-- | target-xtensa/gdbstub.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/target-xtensa/gdbstub.c b/target-xtensa/gdbstub.c index 9e13b20c46..bc2e1b55f6 100644 --- a/target-xtensa/gdbstub.c +++ b/target-xtensa/gdbstub.c @@ -26,6 +26,7 @@ int xtensa_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) XtensaCPU *cpu = XTENSA_CPU(cs); CPUXtensaState *env = &cpu->env; const XtensaGdbReg *reg = env->config->gdb_regmap.reg + n; + unsigned i; if (n < 0 || n >= env->config->gdb_regmap.num_regs) { return 0; @@ -47,8 +48,16 @@ int xtensa_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) return gdb_get_reg32(mem_buf, env->uregs[reg->targno & 0xff]); case 4: /*f*/ - return gdb_get_reg32(mem_buf, float32_val(env->fregs[reg->targno - & 0x0f])); + i = reg->targno & 0x0f; + switch (reg->size) { + case 4: + return gdb_get_reg32(mem_buf, + float32_val(env->fregs[i].f32[FP_F32_LOW])); + case 8: + return gdb_get_reg64(mem_buf, float64_val(env->fregs[i].f64)); + default: + return 0; + } case 8: /*a*/ return gdb_get_reg32(mem_buf, env->regs[reg->targno & 0x0f]); @@ -92,8 +101,16 @@ int xtensa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) break; case 4: /*f*/ - env->fregs[reg->targno & 0x0f] = make_float32(tmp); - break; + switch (reg->size) { + case 4: + env->fregs[reg->targno & 0x0f].f32[FP_F32_LOW] = make_float32(tmp); + return 4; + case 8: + env->fregs[reg->targno & 0x0f].f64 = make_float64(tmp); + return 8; + default: + return 0; + } case 8: /*a*/ env->regs[reg->targno & 0x0f] = tmp; |