Commit 2f87c607 authored by bellard's avatar bellard
Browse files

Alpha update (Falk Hueffner)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@203 c046a42c-6fe2-441c-8c8c-71466251a162
parent 03bfca94
......@@ -691,7 +691,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
case R_ALPHA_BRSGP:
/* PC-relative jump. Tweak offset to skip the two instructions that try to
set up the gp from the pv. */
fprintf(outfile, " fix_bsr(gen_code_ptr + %ld, (uint8_t *) &%s - (gen_code_ptr + %ld) + 4);\n",
fprintf(outfile, " fix_bsr(gen_code_ptr + %ld, (uint8_t *) &%s - (gen_code_ptr + %ld + 4) + 8);\n",
rel->r_offset - start_offset, sym_name, rel->r_offset - start_offset);
break;
default:
......
......@@ -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
......
......@@ -124,6 +124,8 @@ register unsigned int A0 asm("$11");
register unsigned int EAX asm("$12");
register unsigned int ESP asm("$13");
register unsigned int EBP asm("$14");
/* Note $15 is the frame pointer, so anything in op-i386.c that would
require a frame pointer, like alloca, would probably loose. */
register struct CPUX86State *env asm("$15");
#define reg_EAX
#define reg_ESP
......
......@@ -214,7 +214,7 @@ static inline int testandset (int *p)
#endif
#ifdef __alpha__
int testandset (int *p)
static inline int testandset (int *p)
{
int ret;
unsigned long one;
......
......@@ -1762,16 +1762,16 @@ typedef union {
double d;
#ifndef WORDS_BIGENDIAN
struct {
unsigned long lower;
long upper;
uint32_t lower;
int32_t upper;
} l;
#else
struct {
long upper;
unsigned long lower;
int32_t upper;
uint32_t lower;
} l;
#endif
long long ll;
int64_t ll;
} CPU86_LDoubleU;
/* the following deal with IEEE double-precision numbers */
......
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