From 27b95bfe624af1ddfaf63c07f3f0a63049b8c9fc Mon Sep 17 00:00:00 2001 From: Tom Musta Date: Mon, 10 Feb 2014 11:27:01 -0600 Subject: 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 [agraf: fix compile error when !TARGET_PPC64] Signed-off-by: Alexander Graf --- linux-user/main.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'linux-user') 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(); } -- cgit v1.2.1