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Changes to cpu cores.

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Save/Load eip after each opcode
Handle IO exceptions
Handle protection exception for protected opcodes with too less privilege


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1773
This commit is contained in:
Sjoerd van der Berg 2004-04-22 22:40:46 +00:00
parent 2bccfd7a22
commit 5460def634
18 changed files with 589 additions and 742 deletions
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35
include/cpu.h
View file

@ -52,7 +52,6 @@ void CPU_SLDT(Bitu & selector);
void CPU_SIDT(Bitu & limit,Bitu & base);
void CPU_SGDT(Bitu & limit,Bitu & base);
void CPU_ARPL(Bitu & dest_sel,Bitu src_sel);
void CPU_LAR(Bitu selector,Bitu & ar);
void CPU_LSL(Bitu selector,Bitu & limit);
@ -61,37 +60,43 @@ bool CPU_SET_CRX(Bitu cr,Bitu value);
Bitu CPU_GET_CRX(Bitu cr);
void CPU_SMSW(Bitu & word);
bool CPU_LMSW(Bitu word);
Bitu CPU_LMSW(Bitu word);
void CPU_VERR(Bitu selector);
void CPU_VERW(Bitu selector);
void CPU_JMP(bool use32,Bitu selector,Bitu offset,Bitu opLen);
void CPU_CALL(bool use32,Bitu selector,Bitu offset,Bitu opLen);
void CPU_RET(bool use32,Bitu bytes,Bitu opLen);
void CPU_IRET(bool use32,Bitu opLen);
void CPU_JMP(bool use32,Bitu selector,Bitu offset,Bitu oldeip);
void CPU_CALL(bool use32,Bitu selector,Bitu offset,Bitu oldeip);
void CPU_RET(bool use32,Bitu bytes,Bitu oldeip);
void CPU_IRET(bool use32,Bitu oldeip);
void CPU_HLT(Bitu oldeip);
bool CPU_CLI(Bitu opLen);
bool CPU_STI(Bitu opLen);
bool CPU_POPF(Bitu use32);
bool CPU_PUSHF(Bitu use32);
bool CPU_CLI(void);
bool CPU_STI(void);
bool CPU_IO_Exception(Bitu port,Bitu size);
void CPU_RunException(void);
void CPU_ENTER(bool use32,Bitu bytes,Bitu level);
#define CPU_INT_SOFTWARE 0x1
#define CPU_INT_EXCEPTION 0x2
#define CPU_INT_HAS_ERROR 0x4
void CPU_Interrupt(Bitu num,Bitu type,Bitu opLen=0);
void CPU_Interrupt(Bitu num,Bitu type,Bitu oldeip);
INLINE void CPU_HW_Interrupt(Bitu num) {
CPU_Interrupt(num,0);
CPU_Interrupt(num,0,reg_eip);
}
INLINE void CPU_SW_Interrupt(Bitu num,Bitu OpLen) {
CPU_Interrupt(num,CPU_INT_SOFTWARE,OpLen);
INLINE void CPU_SW_Interrupt(Bitu num,Bitu oldeip) {
CPU_Interrupt(num,CPU_INT_SOFTWARE,oldeip);
}
void CPU_Exception(Bitu which,Bitu error=0);
void CPU_StartException(void);
void CPU_SetupException(Bitu which,Bitu error=0);
bool CPU_SetSegGeneral(SegNames seg,Bitu value);
void CPU_HLT(Bitu opLen);
bool CPU_PopSeg(SegNames seg,bool use32);
void CPU_CPUID(void);
Bitu CPU_Pop16(void);