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[Qemu-devel] [PATCH] linux-user: Handle microMIPS encoding when processi
From: |
Kwok Cheung Yeung |
Subject: |
[Qemu-devel] [PATCH] linux-user: Handle microMIPS encoding when processing trap exceptions |
Date: |
Wed, 17 Jul 2013 09:50:03 -0700 |
Decode trap instructions during the handling of a EXCP_TRAP according to
the current ISA mode.
Signed-off-by: Kwok Cheung Yeung <address@hidden>
---
linux-user/main.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/linux-user/main.c b/linux-user/main.c
index 7f15d3d..c417e26 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2379,7 +2379,10 @@ done_syscall:
/* The immediate versions don't provide a code. */
if (!(trap_instr & 0xFC000000)) {
- code = ((trap_instr >> 6) & ((1 << 10) - 1));
+ if (env->hflags & MIPS_HFLAG_M16) /* microMIPS mode */
+ code = ((trap_instr >> 12) & ((1 << 4) - 1));
+ else
+ code = ((trap_instr >> 6) & ((1 << 10) - 1));
}
if (do_break(env, &info, code) != 0) {
--
1.8.3.3
- [Qemu-devel] [PATCH] linux-user: Handle microMIPS encoding when processing trap exceptions,
Kwok Cheung Yeung <=