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authorRichard Henderson <richard.henderson@linaro.org>2023-02-15 19:45:07 -1000
committerLaurent Vivier <laurent@vivier.eu>2023-03-10 20:45:47 +0100
commitd6b036378004c27579aa68bf0174e4e8fbfff726 (patch)
tree3b39607a322118deb5e462d7b4118477f65b8786 /linux-user/sparc
parent6f772241e6d0b154c4a99c8f4c55e9ebe5173a09 (diff)
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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/sparc')
-rw-r--r--linux-user/sparc/cpu_loop.c21
-rw-r--r--linux-user/sparc/signal.c36
2 files changed, 29 insertions, 28 deletions
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index 2bcf325..edbc4f3 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 b501750..2be9000 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 */