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Sparc64 host support (Blue Swirl)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2064 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard
parent
5ef54116ea
commit
74ccb34e6b
6 changed files with 84 additions and 18 deletions
63
dyngen.c
63
dyngen.c
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@ -1442,9 +1442,12 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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{
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#define INSN_SAVE 0x9de3a000
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#define INSN_RET 0x81c7e008
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#define INSN_RETL 0x81c3e008
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#define INSN_RESTORE 0x81e80000
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#define INSN_RETURN 0x81cfe008
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#define INSN_NOP 0x01000000
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#define INSN_ADD_SP 0x9c03a000 // add %sp, nn, %sp
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#define INSN_SUB_SP 0x9c23a000 // sub %sp, nn, %sp
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uint32_t start_insn, end_insn1, end_insn2;
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uint8_t *p;
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@ -1454,18 +1457,21 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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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) == INSN_SAVE) {
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if (((start_insn & ~0x1fff) == INSN_SAVE) ||
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(start_insn & ~0x1fff) == INSN_ADD_SP) {
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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 == INSN_RET && end_insn2 == INSN_RESTORE)
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/* SPARC v7: ret; restore; */ ;
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else if (end_insn1 == INSN_RETURN && end_insn2 == INSN_NOP)
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/* SPARC v9: return; nop; */ ;
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else if (end_insn1 == INSN_RETL && (end_insn2 & ~0x1fff) == INSN_SUB_SP)
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/* SPARC v7: retl; sub %sp, nn, %sp; */ ;
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else
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error("ret; restore; not found at end of %s", name);
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} else if (end_insn1 == INSN_RETL && end_insn2 == INSN_NOP) {
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;
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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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@ -1481,21 +1487,41 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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}
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#elif defined(HOST_SPARC64)
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{
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#define INSN_SAVE 0x9de3a000
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#define INSN_RET 0x81c7e008
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#define INSN_RETL 0x81c3e008
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#define INSN_RESTORE 0x81e80000
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#define INSN_RETURN 0x81cfe008
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#define INSN_NOP 0x01000000
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#define INSN_ADD_SP 0x9c03a000 // add %sp, nn, %sp
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#define INSN_SUB_SP 0x9c23a000 // sub %sp, nn, %sp
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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 0
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/* XXX: check why it occurs */
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if (p <= p_start)
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error("empty code for %s", name);
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#endif
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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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if (((start_insn & ~0x1fff) == INSN_SAVE) ||
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(start_insn & ~0x1fff) == INSN_ADD_SP) {
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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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if (end_insn1 == INSN_RET && end_insn2 == INSN_RESTORE)
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/* SPARC v7: ret; restore; */ ;
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else if (end_insn1 == INSN_RETURN && end_insn2 == INSN_NOP)
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/* SPARC v9: return; nop; */ ;
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else if (end_insn1 == INSN_RETL && (end_insn2 & ~0x1fff) == INSN_SUB_SP)
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/* SPARC v7: retl; sub %sp, nn, %sp; */ ;
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else
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error("ret; restore; not found at end of %s", name);
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} else if (end_insn1 == INSN_RETL && end_insn2 == INSN_NOP) {
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;
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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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@ -2191,7 +2217,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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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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get_reloc_expr(name, sizeof(name), sym_name);
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type = ELF64_R_TYPE(rel->r_info);
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type = ELF32_R_TYPE(rel->r_info);
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addend = rel->r_addend;
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reloc_offset = rel->r_offset - start_offset;
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switch(type) {
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@ -2215,6 +2241,15 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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" | ((%s + %d) & 0x3ff);\n",
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reloc_offset, reloc_offset, name, addend);
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break;
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case R_SPARC_OLO10:
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addend += ELF64_R_TYPE_DATA (rel->r_info);
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fprintf(outfile,
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" *(uint32_t *)(gen_code_ptr + %d) = "
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"((*(uint32_t *)(gen_code_ptr + %d)) "
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" & ~0x3ff) "
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" | ((%s + %d) & 0x3ff);\n",
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reloc_offset, reloc_offset, name, addend);
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break;
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case R_SPARC_WDISP30:
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fprintf(outfile,
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" *(uint32_t *)(gen_code_ptr + %d) = "
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@ -2225,8 +2260,18 @@ void gen_code(const char *name, host_ulong offset, host_ulong size,
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reloc_offset, reloc_offset, name, addend,
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reloc_offset);
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break;
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case R_SPARC_WDISP22:
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fprintf(outfile,
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" *(uint32_t *)(gen_code_ptr + %d) = "
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"((*(uint32_t *)(gen_code_ptr + %d)) "
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" & ~0x3fffff) "
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" | ((((%s + %d) - (long)(gen_code_ptr + %d))>>2) "
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" & 0x3fffff);\n",
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reloc_offset, reloc_offset, name, addend,
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reloc_offset);
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break;
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default:
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error("unsupported sparc64 relocation (%d)", type);
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error("unsupported sparc64 relocation (%d) for symbol %s", type, name);
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}
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}
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}
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