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authorTom Musta <tommusta@gmail.com>2014-02-10 11:27:01 -0600
committerAlexander Graf <agraf@suse.de>2014-03-05 03:06:51 +0100
commit27b95bfe624af1ddfaf63c07f3f0a63049b8c9fc (patch)
treea1b4195e22a9f45510df8bdb1964d440ddafbc09 /linux-user
parent9c294d5ab3eac0e600fa510becfa677d87b088bf (diff)
downloadqemu-arm-27b95bfe624af1ddfaf63c07f3f0a63049b8c9fc.tar.gz
target-ppc: Add Store Quadword Conditional
This patch adds the Store Quadword Conditionl (stqcx.) instruction which is introduced in Power ISA 2.07. Signed-off-by: Tom Musta <tommusta@gmail.com> [agraf: fix compile error when !TARGET_PPC64] Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/main.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index 919297736c..be9491bc7d 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -1492,7 +1492,7 @@ static int do_store_exclusive(CPUPPCState *env)
{
target_ulong addr;
target_ulong page_addr;
- target_ulong val;
+ target_ulong val, val2 __attribute__((unused));
int flags;
int segv = 0;
@@ -1515,6 +1515,13 @@ static int do_store_exclusive(CPUPPCState *env)
case 4: segv = get_user_u32(val, addr); break;
#if defined(TARGET_PPC64)
case 8: segv = get_user_u64(val, addr); break;
+ case 16: {
+ segv = get_user_u64(val, addr);
+ if (!segv) {
+ segv = get_user_u64(val2, addr + 8);
+ }
+ break;
+ }
#endif
default: abort();
}
@@ -1526,6 +1533,15 @@ static int do_store_exclusive(CPUPPCState *env)
case 4: segv = put_user_u32(val, addr); break;
#if defined(TARGET_PPC64)
case 8: segv = put_user_u64(val, addr); break;
+ case 16: {
+ if (val2 == env->reserve_val2) {
+ segv = put_user_u64(val, addr);
+ if (!segv) {
+ segv = put_user_u64(val2, addr + 8);
+ }
+ }
+ break;
+ }
#endif
default: abort();
}