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[v2,12/15] target/m68k: Fix stack frame for EXCP_ILLEGAL

Message ID 20211202204900.50973-13-richard.henderson@linaro.org
State New
Headers show
Series target/m68k: Conditional traps + trap cleanup | expand

Commit Message

Richard Henderson Dec. 2, 2021, 8:48 p.m. UTC 
According to the M68040 Users Manual, section 8.4.3, Four word
stack frame (format 0), includes Illegal Instruction.  Use the
correct frame format, which does not use the ADDR argument.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/m68k/op_helper.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/target/m68k/op_helper.c b/target/m68k/op_helper.c
index 811b8bd117..10d459f704 100644
--- a/target/m68k/op_helper.c
+++ b/target/m68k/op_helper.c
@@ -395,8 +395,7 @@  static void m68k_interrupt_all(CPUM68KState *env, int is_hw)
         break;
 
     case EXCP_ILLEGAL:
-        /* FIXME: addr is not only env->pc */
-        do_stack_frame(env, &sp, 2, oldsr, env->pc, env->pc);
+        do_stack_frame(env, &sp, 0, oldsr, 0, env->pc);
         break;
 
     case EXCP_CHK: