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authorBlue Swirl <blauwirbel@gmail.com>2012-09-02 07:27:38 +0000
committerBlue Swirl <blauwirbel@gmail.com>2012-09-15 17:44:32 +0000
commit31871141521225d089b7705a5d73bf03c605c964 (patch)
tree182accce5427dd712b9698a00547d438da40df5b /target-m68k/translate.c
parent32ac0ca2ecc0ea0eb6b868abcbe0a7d094870cfd (diff)
downloadqemu-arm-31871141521225d089b7705a5d73bf03c605c964.tar.gz
target-m68k: switch to AREG0 free mode
Add an explicit CPUState parameter instead of relying on AREG0 and switch to AREG0 free mode. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-m68k/translate.c')
-rw-r--r--target-m68k/translate.c76
1 files changed, 39 insertions, 37 deletions
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 9fc1e3102d..10bb3039ed 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -260,9 +260,9 @@ static TCGv gen_ldst(DisasContext *s, int opsize, TCGv addr, TCGv val,
static inline uint32_t read_im32(DisasContext *s)
{
uint32_t im;
- im = ((uint32_t)lduw_code(s->pc)) << 16;
+ im = ((uint32_t)cpu_lduw_code(cpu_single_env, s->pc)) << 16;
s->pc += 2;
- im |= lduw_code(s->pc);
+ im |= cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
return im;
}
@@ -297,7 +297,7 @@ static TCGv gen_lea_indexed(DisasContext *s, int opsize, TCGv base)
uint32_t bd, od;
offset = s->pc;
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
if ((ext & 0x800) == 0 && !m68k_feature(s->env, M68K_FEATURE_WORD_INDEX))
@@ -311,7 +311,7 @@ static TCGv gen_lea_indexed(DisasContext *s, int opsize, TCGv base)
if ((ext & 0x30) > 0x10) {
/* base displacement */
if ((ext & 0x30) == 0x20) {
- bd = (int16_t)lduw_code(s->pc);
+ bd = (int16_t)cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
} else {
bd = read_im32(s);
@@ -360,7 +360,7 @@ static TCGv gen_lea_indexed(DisasContext *s, int opsize, TCGv base)
if ((ext & 3) > 1) {
/* outer displacement */
if ((ext & 3) == 2) {
- od = (int16_t)lduw_code(s->pc);
+ od = (int16_t)cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
} else {
od = read_im32(s);
@@ -514,7 +514,7 @@ static TCGv gen_lea(DisasContext *s, uint16_t insn, int opsize)
case 5: /* Indirect displacement. */
reg = AREG(insn, 0);
tmp = tcg_temp_new();
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
tcg_gen_addi_i32(tmp, reg, (int16_t)ext);
return tmp;
@@ -524,7 +524,7 @@ static TCGv gen_lea(DisasContext *s, uint16_t insn, int opsize)
case 7: /* Other */
switch (insn & 7) {
case 0: /* Absolute short. */
- offset = ldsw_code(s->pc);
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
s->pc += 2;
return tcg_const_i32(offset);
case 1: /* Absolute long. */
@@ -532,7 +532,7 @@ static TCGv gen_lea(DisasContext *s, uint16_t insn, int opsize)
return tcg_const_i32(offset);
case 2: /* pc displacement */
offset = s->pc;
- offset += ldsw_code(s->pc);
+ offset += cpu_ldsw_code(cpu_single_env, s->pc);
s->pc += 2;
return tcg_const_i32(offset);
case 3: /* pc index+displacement. */
@@ -638,17 +638,19 @@ static TCGv gen_ea(DisasContext *s, uint16_t insn, int opsize, TCGv val,
/* Sign extend values for consistency. */
switch (opsize) {
case OS_BYTE:
- if (what == EA_LOADS)
- offset = ldsb_code(s->pc + 1);
- else
- offset = ldub_code(s->pc + 1);
+ if (what == EA_LOADS) {
+ offset = cpu_ldsb_code(cpu_single_env, s->pc + 1);
+ } else {
+ offset = cpu_ldub_code(cpu_single_env, s->pc + 1);
+ }
s->pc += 2;
break;
case OS_WORD:
- if (what == EA_LOADS)
- offset = ldsw_code(s->pc);
- else
- offset = lduw_code(s->pc);
+ if (what == EA_LOADS) {
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
+ } else {
+ offset = cpu_lduw_code(cpu_single_env, s->pc);
+ }
s->pc += 2;
break;
case OS_LONG:
@@ -815,7 +817,7 @@ static void gen_exception(DisasContext *s, uint32_t where, int nr)
{
gen_flush_cc_op(s);
gen_jmp_im(s, where);
- gen_helper_raise_exception(tcg_const_i32(nr));
+ gen_helper_raise_exception(cpu_env, tcg_const_i32(nr));
}
static inline void gen_addr_fault(DisasContext *s)
@@ -934,7 +936,7 @@ DISAS_INSN(divl)
TCGv reg;
uint16_t ext;
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
if (ext & 0x87f8) {
gen_exception(s, s->pc - 4, EXCP_UNSUPPORTED);
@@ -1086,7 +1088,7 @@ DISAS_INSN(movem)
TCGv tmp;
int is_load;
- mask = lduw_code(s->pc);
+ mask = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
tmp = gen_lea(s, insn, OS_LONG);
if (IS_NULL_QREG(tmp)) {
@@ -1130,7 +1132,7 @@ DISAS_INSN(bitop_im)
opsize = OS_LONG;
op = (insn >> 6) & 3;
- bitnum = lduw_code(s->pc);
+ bitnum = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
if (bitnum & 0xff00) {
disas_undef(s, insn);
@@ -1383,7 +1385,7 @@ static void gen_set_sr(DisasContext *s, uint16_t insn, int ccr_only)
else if ((insn & 0x3f) == 0x3c)
{
uint16_t val;
- val = lduw_code(s->pc);
+ val = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
gen_set_sr_im(s, val, ccr_only);
}
@@ -1507,7 +1509,7 @@ DISAS_INSN(mull)
/* The upper 32 bits of the product are discarded, so
muls.l and mulu.l are functionally equivalent. */
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
if (ext & 0x87ff) {
gen_exception(s, s->pc - 4, EXCP_UNSUPPORTED);
@@ -1528,7 +1530,7 @@ DISAS_INSN(link)
TCGv reg;
TCGv tmp;
- offset = ldsw_code(s->pc);
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
s->pc += 2;
reg = AREG(insn, 0);
tmp = tcg_temp_new();
@@ -1649,7 +1651,7 @@ DISAS_INSN(branch)
op = (insn >> 8) & 0xf;
offset = (int8_t)insn;
if (offset == 0) {
- offset = ldsw_code(s->pc);
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
s->pc += 2;
} else if (offset == -1) {
offset = read_im32(s);
@@ -1934,13 +1936,13 @@ DISAS_INSN(strldsr)
uint32_t addr;
addr = s->pc - 2;
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
if (ext != 0x46FC) {
gen_exception(s, addr, EXCP_UNSUPPORTED);
return;
}
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
if (IS_USER(s) || (ext & SR_S) == 0) {
gen_exception(s, addr, EXCP_PRIVILEGE);
@@ -2008,7 +2010,7 @@ DISAS_INSN(stop)
return;
}
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
gen_set_sr_im(s, ext, 0);
@@ -2035,7 +2037,7 @@ DISAS_INSN(movec)
return;
}
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
if (ext & 0x8000) {
@@ -2100,7 +2102,7 @@ DISAS_INSN(fpu)
int set_dest;
int opsize;
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
opmode = ext & 0x7f;
switch ((ext >> 13) & 7) {
@@ -2136,7 +2138,7 @@ DISAS_INSN(fpu)
tcg_gen_addi_i32(tmp32, tmp32, -8);
break;
case 5:
- offset = ldsw_code(s->pc);
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
s->pc += 2;
tcg_gen_addi_i32(tmp32, tmp32, offset);
break;
@@ -2250,12 +2252,12 @@ DISAS_INSN(fpu)
tcg_gen_addi_i32(tmp32, tmp32, -8);
break;
case 5:
- offset = ldsw_code(s->pc);
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
s->pc += 2;
tcg_gen_addi_i32(tmp32, tmp32, offset);
break;
case 7:
- offset = ldsw_code(s->pc);
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
offset += s->pc - 2;
s->pc += 2;
tcg_gen_addi_i32(tmp32, tmp32, offset);
@@ -2381,10 +2383,10 @@ DISAS_INSN(fbcc)
int l1;
addr = s->pc;
- offset = ldsw_code(s->pc);
+ offset = cpu_ldsw_code(cpu_single_env, s->pc);
s->pc += 2;
if (insn & (1 << 6)) {
- offset = (offset << 16) | lduw_code(s->pc);
+ offset = (offset << 16) | cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
}
@@ -2506,7 +2508,7 @@ DISAS_INSN(mac)
s->done_mac = 1;
}
- ext = lduw_code(s->pc);
+ ext = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
acc = ((insn >> 7) & 1) | ((ext >> 3) & 2);
@@ -2941,7 +2943,7 @@ static void disas_m68k_insn(CPUM68KState * env, DisasContext *s)
{
uint16_t insn;
- insn = lduw_code(s->pc);
+ insn = cpu_lduw_code(cpu_single_env, s->pc);
s->pc += 2;
opcode_table[insn](s, insn);
@@ -3028,7 +3030,7 @@ gen_intermediate_code_internal(CPUM68KState *env, TranslationBlock *tb,
gen_flush_cc_op(dc);
tcg_gen_movi_i32(QREG_PC, dc->pc);
}
- gen_helper_raise_exception(tcg_const_i32(EXCP_DEBUG));
+ gen_helper_raise_exception(cpu_env, tcg_const_i32(EXCP_DEBUG));
} else {
switch(dc->is_jmp) {
case DISAS_NEXT: