Revision 8984bd2e target-arm/op.c
| b/target-arm/op.c | ||
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*/ |
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#include "exec.h" |
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void OPPROTO op_addl_T0_T1_cc(void) |
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{
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unsigned int src1; |
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src1 = T0; |
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T0 += T1; |
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env->NZF = T0; |
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env->CF = T0 < src1; |
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env->VF = (src1 ^ T1 ^ -1) & (src1 ^ T0); |
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} |
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void OPPROTO op_adcl_T0_T1_cc(void) |
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{
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unsigned int src1; |
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src1 = T0; |
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if (!env->CF) {
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T0 += T1; |
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env->CF = T0 < src1; |
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} else {
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T0 += T1 + 1; |
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env->CF = T0 <= src1; |
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} |
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env->VF = (src1 ^ T1 ^ -1) & (src1 ^ T0); |
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env->NZF = T0; |
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FORCE_RET(); |
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} |
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#define OPSUB(sub, sbc, res, T0, T1) \ |
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\ |
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void OPPROTO op_ ## sub ## l_T0_T1_cc(void) \ |
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{ \
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unsigned int src1; \ |
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src1 = T0; \ |
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T0 -= T1; \ |
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env->NZF = T0; \ |
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env->CF = src1 >= T1; \ |
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env->VF = (src1 ^ T1) & (src1 ^ T0); \ |
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res = T0; \ |
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} \ |
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\ |
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void OPPROTO op_ ## sbc ## l_T0_T1_cc(void) \ |
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{ \
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unsigned int src1; \ |
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src1 = T0; \ |
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if (!env->CF) { \
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T0 = T0 - T1 - 1; \ |
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env->CF = src1 > T1; \ |
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} else { \
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T0 = T0 - T1; \ |
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env->CF = src1 >= T1; \ |
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} \ |
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env->VF = (src1 ^ T1) & (src1 ^ T0); \ |
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env->NZF = T0; \ |
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res = T0; \ |
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FORCE_RET(); \ |
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} |
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OPSUB(sub, sbc, T0, T0, T1) |
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OPSUB(rsb, rsc, T0, T1, T0) |
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/* memory access */ |
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#define MEMSUFFIX _raw |
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#include "op_mem.h" |
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#endif |
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void OPPROTO op_clrex(void) |
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{
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cpu_lock(); |
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helper_clrex(env); |
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cpu_unlock(); |
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} |
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/* T1 based, use T0 as shift count */ |
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void OPPROTO op_shll_T1_T0(void) |
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{
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int shift; |
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shift = T0 & 0xff; |
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if (shift >= 32) |
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T1 = 0; |
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else |
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T1 = T1 << shift; |
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FORCE_RET(); |
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} |
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void OPPROTO op_shrl_T1_T0(void) |
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{
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int shift; |
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shift = T0 & 0xff; |
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if (shift >= 32) |
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T1 = 0; |
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else |
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T1 = (uint32_t)T1 >> shift; |
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FORCE_RET(); |
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} |
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void OPPROTO op_sarl_T1_T0(void) |
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{
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int shift; |
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shift = T0 & 0xff; |
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if (shift >= 32) |
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shift = 31; |
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T1 = (int32_t)T1 >> shift; |
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} |
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void OPPROTO op_rorl_T1_T0(void) |
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{
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int shift; |
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shift = T0 & 0x1f; |
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if (shift) {
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T1 = ((uint32_t)T1 >> shift) | (T1 << (32 - shift)); |
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} |
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FORCE_RET(); |
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} |
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/* T1 based, use T0 as shift count and compute CF */ |
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void OPPROTO op_shll_T1_T0_cc(void) |
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{
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int shift; |
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shift = T0 & 0xff; |
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if (shift >= 32) {
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if (shift == 32) |
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env->CF = T1 & 1; |
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else |
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env->CF = 0; |
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T1 = 0; |
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} else if (shift != 0) {
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env->CF = (T1 >> (32 - shift)) & 1; |
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T1 = T1 << shift; |
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} |
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FORCE_RET(); |
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} |
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void OPPROTO op_shrl_T1_T0_cc(void) |
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{
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int shift; |
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shift = T0 & 0xff; |
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if (shift >= 32) {
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if (shift == 32) |
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env->CF = (T1 >> 31) & 1; |
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else |
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env->CF = 0; |
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T1 = 0; |
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} else if (shift != 0) {
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env->CF = (T1 >> (shift - 1)) & 1; |
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T1 = (uint32_t)T1 >> shift; |
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} |
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FORCE_RET(); |
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} |
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void OPPROTO op_sarl_T1_T0_cc(void) |
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{
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int shift; |
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shift = T0 & 0xff; |
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if (shift >= 32) {
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env->CF = (T1 >> 31) & 1; |
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T1 = (int32_t)T1 >> 31; |
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} else if (shift != 0) {
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env->CF = (T1 >> (shift - 1)) & 1; |
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T1 = (int32_t)T1 >> shift; |
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} |
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FORCE_RET(); |
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} |
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void OPPROTO op_rorl_T1_T0_cc(void) |
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{
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int shift1, shift; |
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shift1 = T0 & 0xff; |
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shift = shift1 & 0x1f; |
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if (shift == 0) {
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if (shift1 != 0) |
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env->CF = (T1 >> 31) & 1; |
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} else {
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env->CF = (T1 >> (shift - 1)) & 1; |
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T1 = ((uint32_t)T1 >> shift) | (T1 << (32 - shift)); |
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} |
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FORCE_RET(); |
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} |
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void OPPROTO op_movl_cp_T0(void) |
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{
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helper_set_cp(env, PARAM1, T0); |
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FORCE_RET(); |
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} |
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void OPPROTO op_movl_T0_cp(void) |
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{
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T0 = helper_get_cp(env, PARAM1); |
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FORCE_RET(); |
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} |
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void OPPROTO op_movl_cp15_T0(void) |
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{
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helper_set_cp15(env, PARAM1, T0); |
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FORCE_RET(); |
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} |
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void OPPROTO op_movl_T0_cp15(void) |
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{
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T0 = helper_get_cp15(env, PARAM1); |
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FORCE_RET(); |
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} |
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void OPPROTO op_v7m_mrs_T0(void) |
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{
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T0 = helper_v7m_mrs(env, PARAM1); |
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} |
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void OPPROTO op_v7m_msr_T0(void) |
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{
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helper_v7m_msr(env, PARAM1, T0); |
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} |
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void OPPROTO op_movl_T0_sp(void) |
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{
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if (PARAM1 == env->v7m.current_sp) |
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T0 = env->regs[13]; |
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else |
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T0 = env->v7m.other_sp; |
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FORCE_RET(); |
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} |
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#include "op_neon.h" |
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/* iwMMXt support */ |
Also available in: Unified diff