diff options
| author | Fabien Chouteau <chouteau@adacore.com> | 2013-03-19 07:41:53 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-03-22 15:28:46 +0100 |
| commit | d6478bc7e92db4669fac701d7bb8c51756b61d8a (patch) | |
| tree | 61898f343ee12570cc85fee4216c61aa00456b32 | |
| parent | 7b5651605836fd29572fd4c8769af5378d351712 (diff) | |
PPC/GDB: handle read and write of fpscr
Although the support of this register may be uncomplete, there are no
reason to prevent the debugger from reading or writing it.
Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | gdbstub.c | 3 | ||||
| -rw-r--r-- | target-ppc/cpu.h | 2 | ||||
| -rw-r--r-- | target-ppc/fpu_helper.c | 5 | ||||
| -rw-r--r-- | target-ppc/translate_init.c | 2 |
4 files changed, 10 insertions, 2 deletions
@@ -781,7 +781,8 @@ static int cpu_gdb_write_register(CPUPPCState *env, uint8_t *mem_buf, int n) /* fpscr */ if (gdb_has_xml) return 0; - return 4; + store_fpscr(env, ldtul_p(mem_buf), 0xffffffff); + return sizeof(target_ulong); } } return 0; diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index 6886666d6e..9b9c784366 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -1180,6 +1180,8 @@ void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr); #endif #endif +void store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask); + static inline uint64_t ppc_dump_gpr(CPUPPCState *env, int gprn) { uint64_t gprv; diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 9d67926209..9e779eace6 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -463,6 +463,11 @@ void helper_store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask) fpscr_set_rounding_mode(env); } +void store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask) +{ + helper_store_fpscr(env, arg, mask); +} + void helper_float_check_status(CPUPPCState *env) { if (env->exception_index == POWERPC_EXCP_PROGRAM && diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index 15eebe9177..bd5033c415 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -7693,7 +7693,7 @@ static int gdb_set_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n) return 8; } if (n == 32) { - /* FPSCR not implemented */ + helper_store_fpscr(env, ldl_p(mem_buf), 0xffffffff); return 4; } return 0; |