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authorRichard Henderson <rth@twiddle.net>2009-12-13 17:18:47 -0800
committerAurelien Jarno <aurelien@aurel32.net>2009-12-17 18:11:58 +0100
commitfe57ca82b09b05ab893ffa8a1a6ace7352970636 (patch)
treec304f8eb381569eb7fc241d76a589f093c7dd127 /hw/alpha_palcode.c
parentab3aee26c480eb5e522896b3f758a3c3c3c9f9c6 (diff)
downloadfocaccia-qemu-fe57ca82b09b05ab893ffa8a1a6ace7352970636.tar.gz
focaccia-qemu-fe57ca82b09b05ab893ffa8a1a6ace7352970636.zip
target-alpha: Add placeholders for missing userspace PALcalls.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'hw/alpha_palcode.c')
-rw-r--r--hw/alpha_palcode.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/hw/alpha_palcode.c b/hw/alpha_palcode.c
index edec01815a..843bd1491e 100644
--- a/hw/alpha_palcode.c
+++ b/hw/alpha_palcode.c
@@ -1061,6 +1061,16 @@ void call_pal (CPUState *env, int palcode)
     target_long ret;
 
     switch (palcode) {
+    case 0x80:
+        /* BPT */
+        qemu_log("BPT\n");
+        /* FIXME: Sends SIGTRAP, si_code=TRAP_BRKPT.  */
+        exit(1);
+    case 0x81:
+        /* BUGCHK */
+        qemu_log("BUGCHK\n");
+        /* FIXME: Sends SIGTRAP, si_code=SI_FAULT.  */
+        exit(1);
     case 0x83:
         /* CALLSYS */
         qemu_log("CALLSYS n " TARGET_FMT_ld "\n", env->ir[0]);
@@ -1075,6 +1085,14 @@ void call_pal (CPUState *env, int palcode)
             env->ir[IR_V0] = -ret;
         }
         break;
+    case 0x86:
+        /* IMB */
+        qemu_log("IMB\n");
+        /* ??? We can probably elide the code using page_unprotect that is
+           checking for self-modifying code.  Instead we could simply call
+           tb_flush here.  Until we work out the changes required to turn
+           off the extra write protection, this can be a no-op.  */
+        break;
     case 0x9E:
         /* RDUNIQUE */
         qemu_log("RDUNIQUE: " TARGET_FMT_lx "\n", env->unique);
@@ -1085,9 +1103,19 @@ void call_pal (CPUState *env, int palcode)
         qemu_log("WRUNIQUE: " TARGET_FMT_lx "\n", env->ir[IR_A0]);
         /* Handled in the translator for usermode.  */
         abort();
+    case 0xAA:
+        /* GENTRAP */
+        qemu_log("GENTRAP: " TARGET_FMT_lx "\n", env->ir[IR_A0]);
+        /* FIXME: This is supposed to send a signal:
+           SIGFPE:
+             GEN_INTOVF, GEN_INTDIV, GEN_FLTOVF, GEN_FLTDIV,
+             GEN_FLTUND, GEN_FLTINV, GEN_FLTINE, GEN_ROPRAND
+           SIGTRAP:
+             others
+           with various settings of si_code.  */
+        exit(1);
     default:
-        qemu_log("%s: unhandled palcode %02x\n",
-                    __func__, palcode);
+        qemu_log("%s: unhandled palcode %02x\n", __func__, palcode);
         exit(1);
     }
 }