mirror of https://gitee.com/openkylin/qemu.git
Sparc update (David S. Miller)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@161 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
parent
d418c81eff
commit
ae22853141
12
Makefile
12
Makefile
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@ -29,6 +29,18 @@ OP_CFLAGS=$(CFLAGS)
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LDFLAGS+=-Wl,-T,s390.ld
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endif
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ifeq ($(ARCH),sparc)
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CFLAGS+=-m32 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
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LDFLAGS+=-m32
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OP_CFLAGS=$(CFLAGS) -fno-delayed-branch -ffixed-i0
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endif
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ifeq ($(ARCH),sparc64)
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CFLAGS+=-m64 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
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LDFLAGS+=-m64
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OP_CFLAGS=$(CFLAGS) -fno-delayed-branch -ffixed-i0
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endif
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ifeq ($(ARCH),alpha)
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# -msmall-data is not used because we want two-instruction relocations
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# for the constant constructions
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@ -47,6 +47,12 @@ case "$cpu" in
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s390)
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cpu="s390"
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;;
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sparc)
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cpu="sparc"
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;;
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sparc64)
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cpu="sparc64"
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;;
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ia64)
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cpu="ia64"
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;;
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@ -131,7 +137,7 @@ fi
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else
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# if cross compiling, cannot launch a program, so make a static guess
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if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
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if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" -o "$cpu" = "sparc" -o "$cpu" = "sparc64"; then
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bigendian="yes"
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fi
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@ -217,6 +223,12 @@ elif test "$cpu" = "s390" ; then
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elif test "$cpu" = "alpha" ; then
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echo "ARCH=alpha" >> config.mak
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echo "#define HOST_ALPHA 1" >> $TMPH
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elif test "$cpu" = "sparc" ; then
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echo "ARCH=sparc" >> config.mak
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echo "#define HOST_SPARC 1" >> $TMPH
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elif test "$cpu" = "sparc64" ; then
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echo "ARCH=sparc64" >> config.mak
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echo "#define HOST_SPARC64 1" >> $TMPH
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elif test "$cpu" = "ia64" ; then
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echo "ARCH=ia64" >> config.mak
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echo "#define HOST_IA64 1" >> $TMPH
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200
dyngen.c
200
dyngen.c
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@ -274,14 +274,20 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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{
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int copy_size = 0;
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uint8_t *p_start, *p_end;
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host_ulong start_offset;
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int nb_args, i, n;
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uint8_t args_present[MAX_ARGS];
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const char *sym_name, *p;
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ELF_RELOC *rel;
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/* compute exact size excluding return instruction */
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/* Compute exact size excluding prologue and epilogue instructions.
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* Increment start_offset to skip epilogue instructions, then compute
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* copy_size the indicate the size of the remaining instructions (in
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* bytes).
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*/
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p_start = text + offset;
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p_end = p_start + size;
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start_offset = offset;
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switch(ELF_ARCH) {
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case EM_386:
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{
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@ -343,41 +349,63 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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case EM_SPARC:
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case EM_SPARC32PLUS:
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{
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uint32_t start_insn, end_insn1, end_insn2, skip_insn;
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uint8_t *p;
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p = (void *)(p_end - 8);
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if (p <= p_start)
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error("empty code for %s", name);
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if (get32((uint32_t *)(p_start + 0x0)) != 0x9de3bf98)
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error("save %%sp,-104,%%sp expected at the start of %s "
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"found [%08x]",
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name, get32((uint32_t *)(p_start + 0x0)));
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if (get32((uint32_t *)(p + 0x0)) != 0x81c7e008 ||
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get32((uint32_t *)(p + 0x4)) != 0x81e80000)
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error("ret; restore; expected at the end of %s found [%08x:%08x]",
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name,
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get32((uint32_t *)(p + 0x0)),
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get32((uint32_t *)(p + 0x4)));
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start_insn = get32((uint32_t *)(p_start + 0x0));
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end_insn1 = get32((uint32_t *)(p + 0x0));
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end_insn2 = get32((uint32_t *)(p + 0x4));
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if ((start_insn & ~0x1fff) == 0x9de3a000) {
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p_start += 0x4;
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start_offset += 0x4;
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if ((int)(start_insn | ~0x1fff) < -128)
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error("Found bogus save at the start of %s", name);
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if (end_insn1 != 0x81c7e008 || end_insn2 != 0x81e80000)
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error("ret; restore; not found at end of %s", name);
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} else {
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error("No save at the beginning of %s", name);
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}
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/* Skip a preceeding nop, if present. */
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if (p > p_start) {
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skip_insn = get32((uint32_t *)(p - 0x4));
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if (skip_insn == 0x01000000)
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p -= 4;
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}
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copy_size = p - p_start;
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}
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break;
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case EM_SPARCV9:
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{
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uint32_t start_insn, end_insn1, end_insn2, skip_insn;
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uint8_t *p;
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p = (void *)(p_end - 8);
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if (p <= p_start)
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error("empty code for %s", name);
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if (get32((uint32_t *)(p_start + 0x0)) != 0x9de3bf40)
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error("save %%sp,-192,%%sp expected at the start of %s "
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"found [%08x]",
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name, get32((uint32_t *)(p_start + 0x0)));
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if (get32((uint32_t *)(p + 0x0)) != 0x81cfe008 ||
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get32((uint32_t *)(p + 0x4)) != 0x01000000)
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error("rett %%i7+8; nop; expected at the end of %s "
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"found [%08x:%08x]",
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name,
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get32((uint32_t *)(p + 0x0)),
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get32((uint32_t *)(p + 0x4)));
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start_insn = get32((uint32_t *)(p_start + 0x0));
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end_insn1 = get32((uint32_t *)(p + 0x0));
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end_insn2 = get32((uint32_t *)(p + 0x4));
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if ((start_insn & ~0x1fff) == 0x9de3a000) {
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p_start += 0x4;
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start_offset += 0x4;
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if ((int)(start_insn | ~0x1fff) < -256)
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error("Found bogus save at the start of %s", name);
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if (end_insn1 != 0x81c7e008 || end_insn2 != 0x81e80000)
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error("ret; restore; not found at end of %s", name);
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} else {
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error("No save at the beginning of %s", name);
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}
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/* Skip a preceeding nop, if present. */
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if (p > p_start) {
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skip_insn = get32((uint32_t *)(p - 0x4));
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if (skip_insn == 0x01000000)
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p -= 4;
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}
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copy_size = p - p_start;
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}
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break;
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@ -390,7 +418,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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args_present[i] = 0;
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for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset &&
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rel->r_offset < start_offset + copy_size) {
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sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
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if (strstart(sym_name, "__op_param", &p)) {
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n = strtoul(p, NULL, 10);
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@ -427,7 +456,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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fprintf(outfile, " extern void %s();\n", name);
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for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset &&
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rel->r_offset < start_offset + copy_size) {
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sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
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if (*sym_name && !strstart(sym_name, "__op_param", &p)) {
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#if defined(HOST_SPARC)
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@ -443,7 +473,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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}
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}
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fprintf(outfile, " memcpy(gen_code_ptr, &%s, %d);\n", name, copy_size);
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fprintf(outfile, " memcpy(gen_code_ptr, (void *)((char *)&%s+%d), %d);\n", name, start_offset - offset, copy_size);
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for(i = 0; i < nb_args; i++) {
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fprintf(outfile, " param%d = *opparam_ptr++;\n", i + 1);
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}
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@ -455,7 +485,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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int type;
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int addend;
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for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset &&
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rel->r_offset < start_offset + copy_size) {
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sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
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if (strstart(sym_name, "__op_param", &p)) {
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snprintf(name, sizeof(name), "param%s", p);
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@ -467,11 +498,11 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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switch(type) {
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case R_386_32:
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fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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case R_386_PC32:
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fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s - (long)(gen_code_ptr + %d) + %d;\n",
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rel->r_offset - offset, name, rel->r_offset - offset, addend);
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rel->r_offset - start_offset, name, rel->r_offset - start_offset, addend);
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break;
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default:
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error("unsupported i386 relocation (%d)", type);
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@ -485,7 +516,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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int type;
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int addend;
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for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset &&
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rel->r_offset < start_offset + copy_size) {
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sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
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if (strstart(sym_name, "__op_param", &p)) {
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snprintf(name, sizeof(name), "param%s", p);
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@ -497,24 +529,24 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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switch(type) {
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case R_PPC_ADDR32:
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fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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case R_PPC_ADDR16_LO:
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fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d);\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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case R_PPC_ADDR16_HI:
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fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d) >> 16;\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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case R_PPC_ADDR16_HA:
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fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = (%s + %d + 0x8000) >> 16;\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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case R_PPC_REL24:
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/* warning: must be at 32 MB distancy */
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fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = (*(uint32_t *)(gen_code_ptr + %d) & ~0x03fffffc) | ((%s - (long)(gen_code_ptr + %d) + %d) & 0x03fffffc);\n",
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rel->r_offset - offset, rel->r_offset - offset, name, rel->r_offset - offset, addend);
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rel->r_offset - start_offset, rel->r_offset - start_offset, name, rel->r_offset - start_offset, addend);
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break;
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default:
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error("unsupported powerpc relocation (%d)", type);
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@ -528,7 +560,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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int type;
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int addend;
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for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset &&
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rel->r_offset < start_offset + copy_size) {
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sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
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if (strstart(sym_name, "__op_param", &p)) {
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snprintf(name, sizeof(name), "param%s", p);
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@ -540,15 +573,15 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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switch(type) {
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case R_390_32:
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fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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case R_390_16:
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fprintf(outfile, " *(uint16_t *)(gen_code_ptr + %d) = %s + %d;\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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case R_390_8:
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fprintf(outfile, " *(uint8_t *)(gen_code_ptr + %d) = %s + %d;\n",
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rel->r_offset - offset, name, addend);
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rel->r_offset - start_offset, name, addend);
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break;
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default:
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error("unsupported s390 relocation (%d)", type);
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@ -559,7 +592,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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#elif defined(HOST_ALPHA)
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{
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for (i = 0, rel = relocs; i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset && rel->r_offset < start_offset + copy_size) {
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int type;
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type = ELF64_R_TYPE(rel->r_info);
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@ -569,9 +602,9 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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/* The gp is just 32 bit, and never changes, so it's easiest to emit it
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as an immediate instead of constructing it from the pv or ra. */
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fprintf(outfile, " immediate_ldah(gen_code_ptr + %ld, gp);\n",
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rel->r_offset - offset);
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rel->r_offset - start_offset);
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fprintf(outfile, " immediate_lda(gen_code_ptr + %ld, gp);\n",
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rel->r_offset - offset + rel->r_addend);
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rel->r_offset - start_offset + rel->r_addend);
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break;
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case R_ALPHA_LITUSE:
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/* jsr to literal hint. Could be used to optimize to bsr. Ignore for
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@ -591,18 +624,18 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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special treatment. */
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if (strstart(sym_name, "__op_param", &p))
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fprintf(outfile, " immediate_ldah(gen_code_ptr + %ld, param%s);\n",
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rel->r_offset - offset, p);
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rel->r_offset - start_offset, p);
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break;
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case R_ALPHA_GPRELLOW:
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if (strstart(sym_name, "__op_param", &p))
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fprintf(outfile, " immediate_lda(gen_code_ptr + %ld, param%s);\n",
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rel->r_offset - offset, p);
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rel->r_offset - start_offset, p);
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break;
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case R_ALPHA_BRSGP:
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/* PC-relative jump. Tweak offset to skip the two instructions that try to
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set up the gp from the pv. */
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fprintf(outfile, " fix_bsr(gen_code_ptr + %ld, (uint8_t *) &%s - (gen_code_ptr + %ld) + 4);\n",
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rel->r_offset - offset, sym_name, rel->r_offset - offset);
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rel->r_offset - start_offset, sym_name, rel->r_offset - start_offset);
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break;
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default:
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error("unsupported Alpha relocation (%d)", type);
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@ -616,7 +649,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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int type;
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int addend;
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for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset && rel->r_offset < start_offset + copy_size) {
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sym_name = strtab + symtab[ELF64_R_SYM(rel->r_info)].st_name;
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if (strstart(sym_name, "__op_param", &p)) {
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snprintf(name, sizeof(name), "param%s", p);
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|
@ -642,7 +675,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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int type;
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int addend;
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for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
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if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
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if (rel->r_offset >= start_offset &&
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rel->r_offset < start_offset + copy_size) {
|
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sym_name = strtab + symtab[ELF32_R_SYM(rel->r_info)].st_name;
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if (strstart(sym_name, "__op_param", &p)) {
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snprintf(name, sizeof(name), "param%s", p);
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||||
|
@ -660,16 +694,16 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
|
|||
switch(type) {
|
||||
case R_SPARC_32:
|
||||
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
|
||||
rel->r_offset - offset, name, addend);
|
||||
rel->r_offset - start_offset, name, addend);
|
||||
break;
|
||||
case R_SPARC_HI22:
|
||||
fprintf(outfile,
|
||||
" *(uint32_t *)(gen_code_ptr + %d) = "
|
||||
"((*(uint32_t *)(gen_code_ptr + %d)) "
|
||||
" & ~0x3fffff) "
|
||||
" | ((%s + %d) & 0x3fffff);\n",
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - offset,
|
||||
" | (((%s + %d) >> 10) & 0x3fffff);\n",
|
||||
rel->r_offset - start_offset,
|
||||
rel->r_offset - start_offset,
|
||||
name, addend);
|
||||
break;
|
||||
case R_SPARC_LO10:
|
||||
|
@ -678,8 +712,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
|
|||
"((*(uint32_t *)(gen_code_ptr + %d)) "
|
||||
" & ~0x3ff) "
|
||||
" | ((%s + %d) & 0x3ff);\n",
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - start_offset,
|
||||
rel->r_offset - start_offset,
|
||||
name, addend);
|
||||
break;
|
||||
case R_SPARC_WDISP30:
|
||||
|
@ -687,11 +721,12 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
|
|||
" *(uint32_t *)(gen_code_ptr + %d) = "
|
||||
"((*(uint32_t *)(gen_code_ptr + %d)) "
|
||||
" & ~0x3fffffff) "
|
||||
" | ((((%s + %d) - (long)gen_code_ptr)>>2) "
|
||||
" | ((((%s + %d) - (long)(gen_code_ptr + %d))>>2) "
|
||||
" & 0x3fffffff);\n",
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - offset,
|
||||
name, addend);
|
||||
rel->r_offset - start_offset,
|
||||
rel->r_offset - start_offset,
|
||||
name, addend,
|
||||
rel->r_offset - start_offset);
|
||||
break;
|
||||
default:
|
||||
error("unsupported sparc relocation (%d)", type);
|
||||
|
@ -705,7 +740,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
|
|||
int type;
|
||||
int addend;
|
||||
for(i = 0, rel = relocs;i < nb_relocs; i++, rel++) {
|
||||
if (rel->r_offset >= offset && rel->r_offset < offset + copy_size) {
|
||||
if (rel->r_offset >= start_offset &&
|
||||
rel->r_offset < start_offset + copy_size) {
|
||||
sym_name = strtab + symtab[ELF64_R_SYM(rel->r_info)].st_name;
|
||||
if (strstart(sym_name, "__op_param", &p)) {
|
||||
snprintf(name, sizeof(name), "param%s", p);
|
||||
|
@ -717,16 +753,16 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
|
|||
switch(type) {
|
||||
case R_SPARC_32:
|
||||
fprintf(outfile, " *(uint32_t *)(gen_code_ptr + %d) = %s + %d;\n",
|
||||
rel->r_offset - offset, name, addend);
|
||||
rel->r_offset - start_offset, name, addend);
|
||||
break;
|
||||
case R_SPARC_HI22:
|
||||
fprintf(outfile,
|
||||
" *(uint32_t *)(gen_code_ptr + %d) = "
|
||||
"((*(uint32_t *)(gen_code_ptr + %d)) "
|
||||
" & ~0x3fffff) "
|
||||
" | ((%s + %d) & 0x3fffff);\n",
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - offset,
|
||||
" | (((%s + %d) >> 10) & 0x3fffff);\n",
|
||||
rel->r_offset - start_offset,
|
||||
rel->r_offset - start_offset,
|
||||
name, addend);
|
||||
break;
|
||||
case R_SPARC_LO10:
|
||||
|
@ -735,8 +771,8 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
|
|||
"((*(uint32_t *)(gen_code_ptr + %d)) "
|
||||
" & ~0x3ff) "
|
||||
" | ((%s + %d) & 0x3ff);\n",
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - start_offset,
|
||||
rel->r_offset - start_offset,
|
||||
name, addend);
|
||||
break;
|
||||
case R_SPARC_WDISP30:
|
||||
|
@ -744,11 +780,12 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
|
|||
" *(uint32_t *)(gen_code_ptr + %d) = "
|
||||
"((*(uint32_t *)(gen_code_ptr + %d)) "
|
||||
" & ~0x3fffffff) "
|
||||
" | ((((%s + %d) - (long)gen_code_ptr)>>2) "
|
||||
" | ((((%s + %d) - (long)(gen_code_ptr + %d))>>2) "
|
||||
" & 0x3fffffff);\n",
|
||||
rel->r_offset - offset,
|
||||
rel->r_offset - offset,
|
||||
name, addend);
|
||||
rel->r_offset - start_offset,
|
||||
rel->r_offset - start_offset,
|
||||
name, addend,
|
||||
rel->r_offset - start_offset);
|
||||
break;
|
||||
default:
|
||||
error("unsupported sparc64 relocation (%d)", type);
|
||||
|
@ -933,7 +970,22 @@ fprintf(outfile,
|
|||
" const uint32_t *opparam_ptr;\n"
|
||||
" gen_code_ptr = gen_code_buf;\n"
|
||||
" opc_ptr = opc_buf;\n"
|
||||
" opparam_ptr = opparam_buf;\n"
|
||||
" opparam_ptr = opparam_buf;\n");
|
||||
|
||||
/* Generate prologue, if needed. */
|
||||
switch(ELF_ARCH) {
|
||||
case EM_SPARC:
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0x9c23a080; /* sub %%sp, 128, %%sp */\n");
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0xbc27a080; /* sub %%fp, 128, %%fp */\n");
|
||||
break;
|
||||
|
||||
case EM_SPARCV9:
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0x9c23a100; /* sub %%sp, 256, %%sp */\n");
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0xbc27a100; /* sub %%fp, 256, %%fp */\n");
|
||||
break;
|
||||
};
|
||||
|
||||
fprintf(outfile,
|
||||
" for(;;) {\n"
|
||||
" switch(*opc_ptr++) {\n"
|
||||
);
|
||||
|
@ -961,7 +1013,7 @@ fprintf(outfile,
|
|||
" the_end:\n"
|
||||
);
|
||||
|
||||
/* generate a return */
|
||||
/* generate epilogue */
|
||||
switch(ELF_ARCH) {
|
||||
case EM_386:
|
||||
fprintf(outfile, "*gen_code_ptr++ = 0xc3; /* ret */\n");
|
||||
|
@ -980,11 +1032,13 @@ fprintf(outfile,
|
|||
break;
|
||||
case EM_SPARC:
|
||||
case EM_SPARC32PLUS:
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0xbc07a080; /* add %%fp, 256, %%fp */\n");
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0x81c62008; /* jmpl %%i0 + 8, %%g0 */\n");
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0x9c03a080; /* add %%sp, 256, %%sp */\n");
|
||||
break;
|
||||
case EM_SPARCV9:
|
||||
/* Fill the delay slot. */
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr) = *((uint32_t *)gen_code_ptr - 1); /* delay slot */\n");
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr - 1) = 0x81c3e008; /* retl */\n");
|
||||
fprintf(outfile, "gen_code_ptr++;\n");
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0x81c7e008; /* ret */\n");
|
||||
fprintf(outfile, "*((uint32_t *)gen_code_ptr)++ = 0x81e80000; /* restore */\n");
|
||||
break;
|
||||
default:
|
||||
error("unknown ELF architecture");
|
||||
|
|
15
exec-i386.c
15
exec-i386.c
|
@ -153,6 +153,13 @@ void raise_exception_err(int exception_index, int error_code)
|
|||
{
|
||||
/* NOTE: the register at this point must be saved by hand because
|
||||
longjmp restore them */
|
||||
#ifdef __sparc__
|
||||
/* We have to stay in the same register window as our caller,
|
||||
* thus this trick.
|
||||
*/
|
||||
__asm__ __volatile__("restore\n\t"
|
||||
"mov\t%o0, %i0");
|
||||
#endif
|
||||
#ifdef reg_EAX
|
||||
env->regs[R_EAX] = EAX;
|
||||
#endif
|
||||
|
@ -409,7 +416,15 @@ int cpu_x86_exec(CPUX86State *env1)
|
|||
/* execute the generated code */
|
||||
tc_ptr = tb->tc_ptr;
|
||||
gen_func = (void *)tc_ptr;
|
||||
#ifdef __sparc__
|
||||
__asm__ __volatile__("call %0\n\t"
|
||||
" mov %%o7,%%i0"
|
||||
: /* no outputs */
|
||||
: "r" (gen_func)
|
||||
: "i0", "i1", "i2", "i3", "i4", "i5");
|
||||
#else
|
||||
gen_func();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
ret = env->exception_index;
|
||||
|
|
24
exec-i386.h
24
exec-i386.h
|
@ -89,11 +89,27 @@ register unsigned int A0 asm("s2");
|
|||
register struct CPUX86State *env asm("s3");
|
||||
#endif
|
||||
#ifdef __sparc__
|
||||
register unsigned int T0 asm("l0");
|
||||
register unsigned int T1 asm("l1");
|
||||
register unsigned int A0 asm("l2");
|
||||
register struct CPUX86State *env asm("l3");
|
||||
register unsigned int EAX asm("l0");
|
||||
register unsigned int ECX asm("l1");
|
||||
register unsigned int EDX asm("l2");
|
||||
register unsigned int EBX asm("l3");
|
||||
register unsigned int ESP asm("l4");
|
||||
register unsigned int EBP asm("l5");
|
||||
register unsigned int ESI asm("l6");
|
||||
register unsigned int EDI asm("l7");
|
||||
register unsigned int T0 asm("g1");
|
||||
register unsigned int T1 asm("g2");
|
||||
register unsigned int A0 asm("g3");
|
||||
register struct CPUX86State *env asm("g6");
|
||||
#define USE_FP_CONVERT
|
||||
#define reg_EAX
|
||||
#define reg_ECX
|
||||
#define reg_EDX
|
||||
#define reg_EBX
|
||||
#define reg_ESP
|
||||
#define reg_EBP
|
||||
#define reg_ESI
|
||||
#define reg_EDI
|
||||
#endif
|
||||
#ifdef __s390__
|
||||
register unsigned int T0 asm("r7");
|
||||
|
|
Loading…
Reference in New Issue