Alpha update (Falk Hueffner)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@203 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 28 insertions, 0 deletions

diff --git a/exec-i386.c b/exec-i386.c
index 2114d656d2..5bd69d4a52 100644
--- a/exec-i386.c
+++ b/exec-i386.c
@@ -447,6 +447,34 @@ int cpu_x86_signal_handler(int host_signum, struct siginfo *info,
                              is_write, &uc->uc_sigmask);
 }
 
+#elif defined(__alpha__)
+
+int cpu_x86_signal_handler(int host_signum, struct siginfo *info, 
+                           void *puc)
+{
+    struct ucontext *uc = puc;
+    uint32_t *pc = uc->uc_mcontext.sc_pc;
+    uint32_t insn = *pc;
+    int is_write = 0;
+
+    switch (insn >> 26) {
+    case 0x0d: // stw
+    case 0x0e: // stb
+    case 0x0f: // stq_u
+    case 0x24: // stf
+    case 0x25: // stg
+    case 0x26: // sts
+    case 0x27: // stt
+    case 0x2c: // stl
+    case 0x2d: // stq
+    case 0x2e: // stl_c
+    case 0x2f: // stq_c
+	is_write = 1;
+    }
+
+    return handle_cpu_signal(pc, (unsigned long)info->si_addr, 
+                             is_write, &uc->uc_sigmask);
+}
 #else
 
 #error CPU specific signal handler needed