Revision f68dd770
| b/target-i386/op.c | ||
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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/* XXX: must use this define because the soft mmu macros have huge |
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register constraints so they cannot be used in any C code */ |
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#define ASM_SOFTMMU |
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#include "exec.h" |
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/* n must be a constant to be efficient */ |
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#include "ops_mem.h" |
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#if !defined(CONFIG_USER_ONLY) |
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#define MEMSUFFIX _user
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#define MEMSUFFIX _kernel
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#include "ops_mem.h" |
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#define MEMSUFFIX _kernel
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#define MEMSUFFIX _user
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#include "ops_mem.h" |
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#endif |
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void OPPROTO op_add_bitw_A0_T1(void) |
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{
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A0 += ((int32_t)T1 >> 4) << 1;
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A0 += ((int16_t)T1 >> 4) << 1;
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} |
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void OPPROTO op_add_bitl_A0_T1(void) |
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ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff); |
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} |
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/* push/pop */ |
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void op_pushl_T0(void) |
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{
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uint32_t offset; |
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offset = ESP - 4; |
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stl((void *)offset, T0); |
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/* modify ESP after to handle exceptions correctly */ |
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ESP = offset; |
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} |
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void op_pushw_T0(void) |
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{
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uint32_t offset; |
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offset = ESP - 2; |
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stw((void *)offset, T0); |
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/* modify ESP after to handle exceptions correctly */ |
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ESP = offset; |
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} |
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void op_pushl_ss32_T0(void) |
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{
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uint32_t offset; |
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offset = ESP - 4; |
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stl(env->segs[R_SS].base + offset, T0); |
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/* modify ESP after to handle exceptions correctly */ |
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ESP = offset; |
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} |
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void op_pushw_ss32_T0(void) |
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{
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uint32_t offset; |
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offset = ESP - 2; |
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stw(env->segs[R_SS].base + offset, T0); |
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/* modify ESP after to handle exceptions correctly */ |
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ESP = offset; |
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} |
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void op_pushl_ss16_T0(void) |
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{
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uint32_t offset; |
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offset = (ESP - 4) & 0xffff; |
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stl(env->segs[R_SS].base + offset, T0); |
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/* modify ESP after to handle exceptions correctly */ |
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ESP = (ESP & ~0xffff) | offset; |
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} |
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void op_pushw_ss16_T0(void) |
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{
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uint32_t offset; |
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offset = (ESP - 2) & 0xffff; |
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stw(env->segs[R_SS].base + offset, T0); |
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/* modify ESP after to handle exceptions correctly */ |
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ESP = (ESP & ~0xffff) | offset; |
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} |
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/* NOTE: ESP update is done after */ |
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void op_popl_T0(void) |
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{
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T0 = ldl((void *)ESP); |
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} |
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void op_popw_T0(void) |
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{
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T0 = lduw((void *)ESP); |
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} |
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void op_popl_ss32_T0(void) |
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{
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T0 = ldl(env->segs[R_SS].base + ESP); |
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} |
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/* push/pop utils */ |
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void op_popw_ss32_T0(void)
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void op_addl_A0_SS(void)
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{
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T0 = lduw(env->segs[R_SS].base + ESP);
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A0 += (long)env->segs[R_SS].base;
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} |
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void op_popl_ss16_T0(void)
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void op_subl_A0_2(void)
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{
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T0 = ldl(env->segs[R_SS].base + (ESP & 0xffff));
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A0 -= 2;
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} |
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void op_popw_ss16_T0(void)
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void op_subl_A0_4(void)
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{
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T0 = lduw(env->segs[R_SS].base + (ESP & 0xffff));
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A0 -= 4;
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} |
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void op_addl_ESP_4(void) |
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