diff options
Diffstat (limited to 'linux-user/vm86.c')
| -rw-r--r-- | linux-user/vm86.c | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/linux-user/vm86.c b/linux-user/vm86.c index 45ef559ec6..22a4eb9625 100644 --- a/linux-user/vm86.c +++ b/linux-user/vm86.c @@ -45,29 +45,34 @@ static inline int is_revectored(int nr, struct target_revectored_struct *bitmap) return (((uint8_t *)bitmap)[nr >> 3] >> (nr & 7)) & 1; } -static inline void vm_putw(uint32_t segptr, unsigned int reg16, unsigned int val) +static inline void vm_putw(CPUX86State *env, uint32_t segptr, + unsigned int reg16, unsigned int val) { - stw(segptr + (reg16 & 0xffff), val); + cpu_stw_data(env, segptr + (reg16 & 0xffff), val); } -static inline void vm_putl(uint32_t segptr, unsigned int reg16, unsigned int val) +static inline void vm_putl(CPUX86State *env, uint32_t segptr, + unsigned int reg16, unsigned int val) { - stl(segptr + (reg16 & 0xffff), val); + cpu_stl_data(env, segptr + (reg16 & 0xffff), val); } -static inline unsigned int vm_getb(uint32_t segptr, unsigned int reg16) +static inline unsigned int vm_getb(CPUX86State *env, + uint32_t segptr, unsigned int reg16) { - return ldub(segptr + (reg16 & 0xffff)); + return cpu_ldub_data(env, segptr + (reg16 & 0xffff)); } -static inline unsigned int vm_getw(uint32_t segptr, unsigned int reg16) +static inline unsigned int vm_getw(CPUX86State *env, + uint32_t segptr, unsigned int reg16) { - return lduw(segptr + (reg16 & 0xffff)); + return cpu_lduw_data(env, segptr + (reg16 & 0xffff)); } -static inline unsigned int vm_getl(uint32_t segptr, unsigned int reg16) +static inline unsigned int vm_getl(CPUX86State *env, + uint32_t segptr, unsigned int reg16) { - return ldl(segptr + (reg16 & 0xffff)); + return cpu_ldl_data(env, segptr + (reg16 & 0xffff)); } void save_v86_state(CPUX86State *env) @@ -221,7 +226,7 @@ static void do_int(CPUX86State *env, int intno) &ts->vm86plus.int21_revectored)) goto cannot_handle; int_addr = (intno << 2); - segoffs = ldl(int_addr); + segoffs = cpu_ldl_data(env, int_addr); if ((segoffs >> 16) == TARGET_BIOSSEG) goto cannot_handle; LOG_VM86("VM86: emulating int 0x%x. CS:IP=%04x:%04x\n", @@ -229,9 +234,9 @@ static void do_int(CPUX86State *env, int intno) /* save old state */ ssp = env->segs[R_SS].selector << 4; sp = env->regs[R_ESP] & 0xffff; - vm_putw(ssp, sp - 2, get_vflags(env)); - vm_putw(ssp, sp - 4, env->segs[R_CS].selector); - vm_putw(ssp, sp - 6, env->eip); + vm_putw(env, ssp, sp - 2, get_vflags(env)); + vm_putw(env, ssp, sp - 4, env->segs[R_CS].selector); + vm_putw(env, ssp, sp - 6, env->eip); ADD16(env->regs[R_ESP], -6); /* goto interrupt handler */ env->eip = segoffs & 0xffff; @@ -285,7 +290,7 @@ void handle_vm86_fault(CPUX86State *env) data32 = 0; pref_done = 0; do { - opcode = vm_getb(csp, ip); + opcode = vm_getb(env, csp, ip); ADD16(ip, 1); switch (opcode) { case 0x66: /* 32-bit data */ data32=1; break; @@ -306,10 +311,10 @@ void handle_vm86_fault(CPUX86State *env) switch(opcode) { case 0x9c: /* pushf */ if (data32) { - vm_putl(ssp, sp - 4, get_vflags(env)); + vm_putl(env, ssp, sp - 4, get_vflags(env)); ADD16(env->regs[R_ESP], -4); } else { - vm_putw(ssp, sp - 2, get_vflags(env)); + vm_putw(env, ssp, sp - 2, get_vflags(env)); ADD16(env->regs[R_ESP], -2); } env->eip = ip; @@ -317,10 +322,10 @@ void handle_vm86_fault(CPUX86State *env) case 0x9d: /* popf */ if (data32) { - newflags = vm_getl(ssp, sp); + newflags = vm_getl(env, ssp, sp); ADD16(env->regs[R_ESP], 4); } else { - newflags = vm_getw(ssp, sp); + newflags = vm_getw(env, ssp, sp); ADD16(env->regs[R_ESP], 2); } env->eip = ip; @@ -335,7 +340,7 @@ void handle_vm86_fault(CPUX86State *env) VM86_FAULT_RETURN; case 0xcd: /* int */ - intno = vm_getb(csp, ip); + intno = vm_getb(env, csp, ip); ADD16(ip, 1); env->eip = ip; if (ts->vm86plus.vm86plus.flags & TARGET_vm86dbg_active) { @@ -350,14 +355,14 @@ void handle_vm86_fault(CPUX86State *env) case 0xcf: /* iret */ if (data32) { - newip = vm_getl(ssp, sp) & 0xffff; - newcs = vm_getl(ssp, sp + 4) & 0xffff; - newflags = vm_getl(ssp, sp + 8); + newip = vm_getl(env, ssp, sp) & 0xffff; + newcs = vm_getl(env, ssp, sp + 4) & 0xffff; + newflags = vm_getl(env, ssp, sp + 8); ADD16(env->regs[R_ESP], 12); } else { - newip = vm_getw(ssp, sp); - newcs = vm_getw(ssp, sp + 2); - newflags = vm_getw(ssp, sp + 4); + newip = vm_getw(env, ssp, sp); + newcs = vm_getw(env, ssp, sp + 2); + newflags = vm_getw(env, ssp, sp + 4); ADD16(env->regs[R_ESP], 6); } env->eip = newip; |