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target-alpha: Add placeholders for missing userspace PALcalls. 

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2009-12-13 17:18:47 -08:00 committed by Aurelien Jarno
parent ab3aee26c4
commit fe57ca82b0
1 changed files with 30 additions and 2 deletions
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32
hw/alpha_palcode.c
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@ -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);
}
}