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authorWarner Losh <imp@bsdimp.com>2021-09-23 08:57:14 -0600
committerWarner Losh <imp@bsdimp.com>2022-01-07 22:58:51 -0700
commitef1412bd84cd384ee4be34139f750e789ad0f12f (patch)
tree74b7f44b145e65c2af295bca535b35ca9b0bd2c1
parent70985aec1c29e34e1de1aec684324073d76d5873 (diff)
downloadfocaccia-qemu-ef1412bd84cd384ee4be34139f750e789ad0f12f.tar.gz
focaccia-qemu-ef1412bd84cd384ee4be34139f750e789ad0f12f.zip
bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions
Implement EXCP_PREFETCH_ABORT AND EXCP_DATA_ABORT. Both of these data
exceptions cause a SIGSEGV.

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Olivier Houchard <cognet@ci0.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--bsd-user/arm/target_arch_cpu.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
index 9f9b380b13..905a5ffaff 100644
--- a/bsd-user/arm/target_arch_cpu.h
+++ b/bsd-user/arm/target_arch_cpu.h
@@ -65,6 +65,17 @@ static inline void target_cpu_loop(CPUARMState *env)
         case EXCP_INTERRUPT:
             /* just indicate that signals should be handled asap */
             break;
+        case EXCP_PREFETCH_ABORT:
+            /* See arm/arm/trap.c prefetch_abort_handler() */
+        case EXCP_DATA_ABORT:
+            /* See arm/arm/trap.c data_abort_handler() */
+            info.si_signo = TARGET_SIGSEGV;
+            info.si_errno = 0;
+            /* XXX: check env->error_code */
+            info.si_code = 0;
+            info.si_addr = env->exception.vaddress;
+            queue_signal(env, info.si_signo, &info);
+            break;
         case EXCP_DEBUG:
             {