diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-02-15 19:45:07 -1000 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2023-03-10 20:45:47 +0100 |
| commit | d6b036378004c27579aa68bf0174e4e8fbfff726 (patch) | |
| tree | 3b39607a322118deb5e462d7b4118477f65b8786 /linux-user | |
| parent | 6f772241e6d0b154c4a99c8f4c55e9ebe5173a09 (diff) | |
linux-user/sparc: Fix sparc64_{get, set}_context traps
These traps are present for sparc64 with ilp32, aka sparc32plus.
Enabling them means adjusting the defines over in signal.c,
and fixing an incorrect usage of abi_ulong when we really meant
the full register, target_ulong.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230216054516.1267305-7-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/sparc/cpu_loop.c | 21 | ||||
| -rw-r--r-- | linux-user/sparc/signal.c | 36 |
2 files changed, 29 insertions, 28 deletions
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index 2bcf32590f..edbc4f3bdc 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -213,25 +213,24 @@ void cpu_loop (CPUSPARCState *env) env->npc = env->npc + 4; break; - case TARGET_TT_SPILL: /* window overflow */ - save_window(env); - break; - case TARGET_TT_FILL: /* window underflow */ - restore_window(env); - break; - #ifdef TARGET_SPARC64 -#ifndef TARGET_ABI32 - case 0x16e: + case TT_TRAP + 0x6e: flush_windows(env); sparc64_get_context(env); break; - case 0x16f: + case TT_TRAP + 0x6f: flush_windows(env); sparc64_set_context(env); break; #endif -#endif + + case TARGET_TT_SPILL: /* window overflow */ + save_window(env); + break; + case TARGET_TT_FILL: /* window underflow */ + restore_window(env); + break; + case EXCP_INTERRUPT: /* just indicate that signals should be handled asap */ break; diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c index b501750fe0..2be9000b9e 100644 --- a/linux-user/sparc/signal.c +++ b/linux-user/sparc/signal.c @@ -503,7 +503,23 @@ long do_rt_sigreturn(CPUSPARCState *env) return -QEMU_ESIGRETURN; } -#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32) +#ifdef TARGET_ABI32 +void setup_sigtramp(abi_ulong sigtramp_page) +{ + uint32_t *tramp = lock_user(VERIFY_WRITE, sigtramp_page, 2 * 8, 0); + assert(tramp != NULL); + + default_sigreturn = sigtramp_page; + install_sigtramp(tramp, TARGET_NR_sigreturn); + + default_rt_sigreturn = sigtramp_page + 8; + install_sigtramp(tramp + 2, TARGET_NR_rt_sigreturn); + + unlock_user(tramp, sigtramp_page, 2 * 8); +} +#endif + +#ifdef TARGET_SPARC64 #define SPARC_MC_TSTATE 0 #define SPARC_MC_PC 1 #define SPARC_MC_NPC 2 @@ -575,7 +591,7 @@ void sparc64_set_context(CPUSPARCState *env) struct target_ucontext *ucp; target_mc_gregset_t *grp; target_mc_fpu_t *fpup; - abi_ulong pc, npc, tstate; + target_ulong pc, npc, tstate; unsigned int i; unsigned char fenab; @@ -773,18 +789,4 @@ do_sigsegv: unlock_user_struct(ucp, ucp_addr, 1); force_sig(TARGET_SIGSEGV); } -#else -void setup_sigtramp(abi_ulong sigtramp_page) -{ - uint32_t *tramp = lock_user(VERIFY_WRITE, sigtramp_page, 2 * 8, 0); - assert(tramp != NULL); - - default_sigreturn = sigtramp_page; - install_sigtramp(tramp, TARGET_NR_sigreturn); - - default_rt_sigreturn = sigtramp_page + 8; - install_sigtramp(tramp + 2, TARGET_NR_rt_sigreturn); - - unlock_user(tramp, sigtramp_page, 2 * 8); -} -#endif +#endif /* TARGET_SPARC64 */ |