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typedef long Long;
/* The following enum is used to access the special registers in
the saved machine state. */
typedef enum
{
kDc_SavedPC = 0, /* really SRR0 */
kDc_SavedMSR = 1, /* really SRR1 */
kDc_SavedCR = 2,
kDc_SavedLR = 3,
kDc_SavedDSISR = 4,
kDc_SavedDAR = 5,
kDc_SavedXER = 6,
kDc_SavedCTR = 7,
kDc_SavedSDR1 = 8,
kDc_SavedRTCU = 9,
kDc_SavedRTCL = 10,
kDc_SavedDEC = 11,
kDc_SavedSR00 = 12, /* The Segement Registers are consecutive */
kDc_SavedSR01 = 13, /* kDc_SavedSR00 + n is supported */
kDc_SavedSR02 = 14,
kDc_SavedSR03 = 15,
kDc_SavedSR04 = 16,
kDc_SavedSR05 = 17,
kDc_SavedSR06 = 18,
kDc_SavedSR07 = 19,
kDc_SavedSR08 = 20,
kDc_SavedSR09 = 21,
kDc_SavedSR10 = 22,
kDc_SavedSR11 = 23,
kDc_SavedSR12 = 24,
kDc_SavedSR13 = 25,
kDc_SavedSR14 = 26,
kDc_SavedSR15 = 27,
kDc_SavedFPSCR = 29,
kDc_SavedMQ = 30,
kDc_SavedBAT0U = 31,
kDc_SavedBAT0L = 32,
kDc_SavedBAT1U = 33,
kDc_SavedBAT1L = 34,
kDc_SavedBAT2U = 35,
kDc_SavedBAT2L = 36,
kDc_SavedBAT3U = 37,
kDc_SavedBAT3L = 38,
kNumberSpecialRegisters = 39
} Dc_SavedRegisterName;
/* Access to floating points is not very easy. This allows the number to be
accessed both as a floating number and as a pair of Longs. */
typedef union
{
double asfloat; /* access the variable as a floating number */
struct
{
Long high;
Long low;
}
asLONG; /* access the variable as two Longs */
} FloatingPoints;
/* The following is the standard record for Saving a machine state */
struct SavedMachineState
{
FloatingPoints CSavedFPRegs[32]; /* The floating point registers [0->31] */
/* ***32bit assumption*** */
Long CsavedRegs[32]; /* space to save the General Registers */
/* These are saved 0->31 */
Long CexReason;
Long SavedDomainID;
union
{ /* must be 8-byte aligned, so doubleFPSCR is 8-byte aligned */
struct
{
Long CsavedSRR0; /* Index 0 - The saved PC */
Long CsavedSRR1; /* 1 saved MSR */
Long CsavedCR; /* 2 */
Long CsavedLR; /* 3 */
Long CsavedDSISR; /* 4 */
Long CsavedDAR; /* 5 */
Long CsavedXER; /* 6 */
Long CsavedCTR; /* 7 */
Long CsavedSDR1; /* 8 */
Long CsavedRTCU; /* 9 */
Long CsavedRTCL; /* 10 */
Long CsavedDEC; /* 11 */
Long CsavedSR0; /* 12 */
Long CsavedSR1; /* 13 */
Long CsavedSR2; /* 14 */
Long CsavedSR3; /* 15 */
Long CsavedSR4; /* 16 */
Long CsavedSR5; /* 17 */
Long CsavedSR6; /* 18 */
Long CsavedSR7; /* 19 */
Long CsavedSR8; /* 20 */
Long CsavedSR9; /* 21 */
Long CsavedSR10; /* 22 */
Long CsavedSR11; /* 23 */
Long CsavedSR12; /* 24 */
Long CsavedSR13; /* 25 */
Long CsavedSR14; /* 26 */
Long CsavedSR15; /* 27 */
/* CdoubleFPSCR must be double word aligned */
Long CdoubleFPSCR; /* 28 this is the upper part of the store and has
no meaning */
Long CsavedFPSCR; /* 29 */
Long CsavedMQ; /* 30 */
Long CsavedBAT0U; /* 31 */
Long CsavedBAT0L; /* 32 */
Long CsavedBAT1U; /* 33 */
Long CsavedBAT1L; /* 34 */
Long CsavedBAT2U; /* 35 */
Long CsavedBAT2L; /* 36 */
Long CsavedBAT3U; /* 37 */
Long CsavedBAT3L; /* 38 */
}
SpecialRegistersEnumerated;
Long SpecialRegistersIndexed[kNumberSpecialRegisters];
} u;
Long Padding[3]; /* Needed for quad-word alignment */
};
struct StackFrame
{
LONG *ExceptionDomainID;
/*ProcessorStructure*/ int *ExceptionProcessorID;
BYTE *ExceptionDescription;
LONG ExceptionFlags;
LONG ExceptionErrorCode;
LONG ExceptionNumber;
struct SavedMachineState ExceptionState;
};
/* Register values. All of these values *MUST* agree with tm.h */
#define GP0_REGNUM 0 /* GPR register 0 */
#define SP_REGNUM 1 /* Contains address of top of stack */
#define FP0_REGNUM 32 /* FPR (Floating point) register 0 */
#define PC_REGNUM 64 /* Contains program counter */
#define PS_REGNUM 65 /* Processor (or machine) status (%msr) */
#define CR_REGNUM 66 /* Condition register */
#define LR_REGNUM 67 /* Link register */
#define CTR_REGNUM 68 /* Count register */
#define XER_REGNUM 69 /* Fixed point exception registers */
#define MQ_REGNUM 70 /* Multiply/quotient register */
#define NUM_REGS 71 /* Number of machine registers */
#define REGISTER_BYTES (420) /* Total size of registers array */
#define ExceptionPC ExceptionState.u.SpecialRegistersEnumerated.CsavedSRR0
#define DECR_PC_AFTER_BREAK 0 /* PPCs get this right! */
#define BREAKPOINT {0x7d, 0x82, 0x10, 0x08}
extern unsigned char breakpoint_insn[];
#define BREAKPOINT_SIZE 4
#if 0
#define ALTERNATE_MEM_FUNCS /* We need our own get_char/set_char */
#endif
extern int get_char (char *addr);
extern void set_char (char *addr, int val);
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