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| author | Tom Musta <tommusta@gmail.com> | 2014-02-10 11:27:01 -0600 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-03-05 03:06:51 +0100 |
| commit | 27b95bfe624af1ddfaf63c07f3f0a63049b8c9fc (patch) | |
| tree | a1b4195e22a9f45510df8bdb1964d440ddafbc09 /linux-user | |
| parent | 9c294d5ab3eac0e600fa510becfa677d87b088bf (diff) | |
| download | qemu-27b95bfe624af1ddfaf63c07f3f0a63049b8c9fc.tar.gz qemu-27b95bfe624af1ddfaf63c07f3f0a63049b8c9fc.tar.bz2 qemu-27b95bfe624af1ddfaf63c07f3f0a63049b8c9fc.zip | |
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.c | 18 |
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(); } |