/* ------------------------------ CPU Access ------------------------------ */
/* Access the CPU registers */
-#define CPU_TYPE m68ki_cpu.cpu_type
-
-#define REG_DA m68ki_cpu.dar /* easy access to data and address regs */
-#define REG_DA_SAVE m68ki_cpu.dar_save
-#define REG_D m68ki_cpu.dar
-#define REG_A (m68ki_cpu.dar+8)
-#define REG_PPC m68ki_cpu.ppc
-#define REG_PC m68ki_cpu.pc
-#define REG_SP_BASE m68ki_cpu.sp
-#define REG_USP m68ki_cpu.sp[0]
-#define REG_ISP m68ki_cpu.sp[4]
-#define REG_MSP m68ki_cpu.sp[6]
-#define REG_SP m68ki_cpu.dar[15]
-#define REG_VBR m68ki_cpu.vbr
-#define REG_SFC m68ki_cpu.sfc
-#define REG_DFC m68ki_cpu.dfc
-#define REG_CACR m68ki_cpu.cacr
-#define REG_CAAR m68ki_cpu.caar
-#define REG_IR m68ki_cpu.ir
-
-#define REG_FP m68ki_cpu.fpr
-#define REG_FPCR m68ki_cpu.fpcr
-#define REG_FPSR m68ki_cpu.fpsr
-#define REG_FPIAR m68ki_cpu.fpiar
-
-#define FLAG_T1 m68ki_cpu.t1_flag
-#define FLAG_T0 m68ki_cpu.t0_flag
-#define FLAG_S m68ki_cpu.s_flag
-#define FLAG_M m68ki_cpu.m_flag
-#define FLAG_X m68ki_cpu.x_flag
-#define FLAG_N m68ki_cpu.n_flag
-#define FLAG_Z m68ki_cpu.not_z_flag
-#define FLAG_V m68ki_cpu.v_flag
-#define FLAG_C m68ki_cpu.c_flag
-#define FLAG_INT_MASK m68ki_cpu.int_mask
+#define CPU_TYPE state->cpu_type
+
+#define REG_DA state->dar /* easy access to data and address regs */
+#define REG_DA_SAVE state->dar_save
+#define REG_D state->dar
+#define REG_A (state->dar+8)
+#define REG_PPC state->ppc
+#define REG_PC state->pc
+#define REG_SP_BASE state->sp
+#define REG_USP state->sp[0]
+#define REG_ISP state->sp[4]
+#define REG_MSP state->sp[6]
+#define REG_SP state->dar[15]
+#define REG_VBR state->vbr
+#define REG_SFC state->sfc
+#define REG_DFC state->dfc
+#define REG_CACR state->cacr
+#define REG_CAAR state->caar
+#define REG_IR state->ir
+
+#define REG_FP state->fpr
+#define REG_FPCR state->fpcr
+#define REG_FPSR state->fpsr
+#define REG_FPIAR state->fpiar
+
+#define FLAG_T1 state->t1_flag
+#define FLAG_T0 state->t0_flag
+#define FLAG_S state->s_flag
+#define FLAG_M state->m_flag
+#define FLAG_X state->x_flag
+#define FLAG_N state->n_flag
+#define FLAG_Z state->not_z_flag
+#define FLAG_V state->v_flag
+#define FLAG_C state->c_flag
+#define FLAG_INT_MASK state->int_mask
#define CPU_INT_LEVEL m68ki_cpu.int_level /* ASG: changed from CPU_INTS_PENDING */
#define CPU_STOPPED m68ki_cpu.stopped
-#define CPU_PREF_ADDR m68ki_cpu.pref_addr
-#define CPU_PREF_DATA m68ki_cpu.pref_data
-#define CPU_ADDRESS_MASK m68ki_cpu.address_mask
-#define CPU_SR_MASK m68ki_cpu.sr_mask
-#define CPU_INSTR_MODE m68ki_cpu.instr_mode
-#define CPU_RUN_MODE m68ki_cpu.run_mode
-
-#define CYC_INSTRUCTION m68ki_cpu.cyc_instruction
-#define CYC_EXCEPTION m68ki_cpu.cyc_exception
-#define CYC_BCC_NOTAKE_B m68ki_cpu.cyc_bcc_notake_b
-#define CYC_BCC_NOTAKE_W m68ki_cpu.cyc_bcc_notake_w
-#define CYC_DBCC_F_NOEXP m68ki_cpu.cyc_dbcc_f_noexp
-#define CYC_DBCC_F_EXP m68ki_cpu.cyc_dbcc_f_exp
-#define CYC_SCC_R_TRUE m68ki_cpu.cyc_scc_r_true
-#define CYC_MOVEM_W m68ki_cpu.cyc_movem_w
-#define CYC_MOVEM_L m68ki_cpu.cyc_movem_l
-#define CYC_SHIFT m68ki_cpu.cyc_shift
-#define CYC_RESET m68ki_cpu.cyc_reset
-#define HAS_PMMU m68ki_cpu.has_pmmu
-#define HAS_FPU m68ki_cpu.has_fpu
-#define PMMU_ENABLED m68ki_cpu.pmmu_enabled
-#define RESET_CYCLES m68ki_cpu.reset_cycles
+#define CPU_PREF_ADDR state->pref_addr
+#define CPU_PREF_DATA state->pref_data
+#define CPU_ADDRESS_MASK state->address_mask
+#define CPU_SR_MASK state->sr_mask
+#define CPU_INSTR_MODE state->instr_mode
+#define CPU_RUN_MODE state->run_mode
+
+#define CYC_INSTRUCTION state->cyc_instruction
+#define CYC_EXCEPTION state->cyc_exception
+#define CYC_BCC_NOTAKE_B state->cyc_bcc_notake_b
+#define CYC_BCC_NOTAKE_W state->cyc_bcc_notake_w
+#define CYC_DBCC_F_NOEXP state->cyc_dbcc_f_noexp
+#define CYC_DBCC_F_EXP state->cyc_dbcc_f_exp
+#define CYC_SCC_R_TRUE state->cyc_scc_r_true
+#define CYC_MOVEM_W state->cyc_movem_w
+#define CYC_MOVEM_L state->cyc_movem_l
+#define CYC_SHIFT state->cyc_shift
+#define CYC_RESET state->cyc_reset
+#define HAS_PMMU state->has_pmmu
+#define HAS_FPU state->has_fpu
+#define PMMU_ENABLED state->pmmu_enabled
+#define RESET_CYCLES state->reset_cycles
#define CALLBACK_INT_ACK m68ki_cpu.int_ack_callback
#if !M68K_SEPARATE_READS
-#define m68k_read_immediate_16(A) m68ki_read_program_16(A)
-#define m68k_read_immediate_32(A) m68ki_read_program_32(A)
+#define m68k_read_immediate_16(state, A) m68ki_read_program_16(state, A)
+#define m68k_read_immediate_32(state, A) m68ki_read_program_32(state, A)
-#define m68k_read_pcrelative_8(A) m68ki_read_program_8(A)
-#define m68k_read_pcrelative_16(A) m68ki_read_program_16(A)
-#define m68k_read_pcrelative_32(A) m68ki_read_program_32(A)
+#define m68k_read_pcrelative_8(state, A) m68ki_read_program_8(state, A)
+#define m68k_read_pcrelative_16(state, A) m68ki_read_program_16(state, A)
+#define m68k_read_pcrelative_32(state, A) m68ki_read_program_32(state, A)
#endif /* M68K_SEPARATE_READS */
/* sigjmp() on Mac OS X and *BSD in general saves signal contexts and is super-slow, use sigsetjmp() to tell it not to */
#ifdef _BSD_SETJMP_H
extern sigjmp_buf m68ki_aerr_trap;
-#define m68ki_set_address_error_trap(m68k) \
+#define m68ki_set_address_error_trap(state) \
if(sigsetjmp(m68ki_aerr_trap, 0) != 0) \
{ \
- m68ki_exception_address_error(m68k); \
+ m68ki_exception_address_error(state); \
if(CPU_STOPPED) \
{ \
if (m68ki_remaining_cycles > 0) \
} \
}
-#define m68ki_check_address_error(ADDR, WRITE_MODE, FC) \
+#define m68ki_check_address_error(state, ADDR, WRITE_MODE, FC) \
if((ADDR)&1) \
{ \
m68ki_aerr_address = ADDR; \
}
#else
extern jmp_buf m68ki_aerr_trap;
- #define m68ki_set_address_error_trap() \
+ #define m68ki_set_address_error_trap(state) \
if(setjmp(m68ki_aerr_trap) != 0) \
{ \
m68ki_exception_address_error(); \
} \
}
- #define m68ki_check_address_error(ADDR, WRITE_MODE, FC) \
+ #define m68ki_check_address_error(state, ADDR, WRITE_MODE, FC) \
if((ADDR)&1) \
{ \
m68ki_aerr_address = ADDR; \
#endif
#define m68ki_bus_error(ADDR,WRITE_MODE) m68ki_aerr_address=ADDR;m68ki_aerr_write_mode=WRITE_MODE;m68ki_exception_bus_error()
- #define m68ki_check_address_error_010_less(ADDR, WRITE_MODE, FC) \
+ #define m68ki_check_address_error_010_less(state, ADDR, WRITE_MODE, FC) \
if (CPU_TYPE_IS_010_LESS(CPU_TYPE)) \
{ \
- m68ki_check_address_error(ADDR, WRITE_MODE, FC) \
+ m68ki_check_address_error(state, ADDR, WRITE_MODE, FC) \
}
#else
- #define m68ki_set_address_error_trap()
- #define m68ki_check_address_error(ADDR, WRITE_MODE, FC)
- #define m68ki_check_address_error_010_less(ADDR, WRITE_MODE, FC)
+ #define m68ki_set_address_error_trap(state)
+ #define m68ki_check_address_error(state, ADDR, WRITE_MODE, FC)
+ #define m68ki_check_address_error_010_less(state, ADDR, WRITE_MODE, FC)
#endif /* M68K_ADDRESS_ERROR */
/* Logging */
#define EA_AY_PD_8() (--AY) /* predecrement (size = byte) */
#define EA_AY_PD_16() (AY-=2) /* predecrement (size = word) */
#define EA_AY_PD_32() (AY-=4) /* predecrement (size = long) */
-#define EA_AY_DI_8() (AY+MAKE_INT_16(m68ki_read_imm_16())) /* displacement */
+#define EA_AY_DI_8() (AY+MAKE_INT_16(m68ki_read_imm_16(state))) /* displacement */
#define EA_AY_DI_16() EA_AY_DI_8()
#define EA_AY_DI_32() EA_AY_DI_8()
-#define EA_AY_IX_8() m68ki_get_ea_ix(AY) /* indirect + index */
+#define EA_AY_IX_8() m68ki_get_ea_ix(state, AY) /* indirect + index */
#define EA_AY_IX_16() EA_AY_IX_8()
#define EA_AY_IX_32() EA_AY_IX_8()
#define EA_AX_PD_8() (--AX)
#define EA_AX_PD_16() (AX-=2)
#define EA_AX_PD_32() (AX-=4)
-#define EA_AX_DI_8() (AX+MAKE_INT_16(m68ki_read_imm_16()))
+#define EA_AX_DI_8() (AX+MAKE_INT_16(m68ki_read_imm_16(state)))
#define EA_AX_DI_16() EA_AX_DI_8()
#define EA_AX_DI_32() EA_AX_DI_8()
-#define EA_AX_IX_8() m68ki_get_ea_ix(AX)
+#define EA_AX_IX_8() m68ki_get_ea_ix(state, AX)
#define EA_AX_IX_16() EA_AX_IX_8()
#define EA_AX_IX_32() EA_AX_IX_8()
#define EA_A7_PI_8() ((REG_A[7]+=2)-2)
#define EA_A7_PD_8() (REG_A[7]-=2)
-#define EA_AW_8() MAKE_INT_16(m68ki_read_imm_16()) /* absolute word */
+#define EA_AW_8() MAKE_INT_16(m68ki_read_imm_16(state)) /* absolute word */
#define EA_AW_16() EA_AW_8()
#define EA_AW_32() EA_AW_8()
-#define EA_AL_8() m68ki_read_imm_32() /* absolute long */
+#define EA_AL_8() m68ki_read_imm_32(state) /* absolute long */
#define EA_AL_16() EA_AL_8()
#define EA_AL_32() EA_AL_8()
-#define EA_PCDI_8() m68ki_get_ea_pcdi() /* pc indirect + displacement */
+#define EA_PCDI_8() m68ki_get_ea_pcdi(state) /* pc indirect + displacement */
#define EA_PCDI_16() EA_PCDI_8()
#define EA_PCDI_32() EA_PCDI_8()
-#define EA_PCIX_8() m68ki_get_ea_pcix() /* pc indirect + index */
+#define EA_PCIX_8() m68ki_get_ea_pcix(state) /* pc indirect + index */
#define EA_PCIX_16() EA_PCIX_8()
#define EA_PCIX_32() EA_PCIX_8()
-#define OPER_I_8() m68ki_read_imm_8()
-#define OPER_I_16() m68ki_read_imm_16()
-#define OPER_I_32() m68ki_read_imm_32()
+#define OPER_I_8(state) m68ki_read_imm_8(state)
+#define OPER_I_16(state) m68ki_read_imm_16(state)
+#define OPER_I_32(state) m68ki_read_imm_32(state)
/* Get the condition code register */
-#define m68ki_get_ccr() ((COND_XS() >> 4) | \
- (COND_MI() >> 4) | \
- (COND_EQ() << 2) | \
- (COND_VS() >> 6) | \
- (COND_CS() >> 8))
+#define m68ki_get_ccr(state) ((COND_XS() >> 4) | \
+ (COND_MI() >> 4) | \
+ (COND_EQ() << 2) | \
+ (COND_VS() >> 6) | \
+ (COND_CS() >> 8))
/* Get the status register */
-#define m68ki_get_sr() ( FLAG_T1 | \
- FLAG_T0 | \
- (FLAG_S << 11) | \
- (FLAG_M << 11) | \
- FLAG_INT_MASK | \
- m68ki_get_ccr())
+#define m68ki_get_sr(state) ( FLAG_T1 | \
+ FLAG_T0 | \
+ (FLAG_S << 11) | \
+ (FLAG_M << 11) | \
+ FLAG_INT_MASK | \
+ m68ki_get_ccr(state))
/* ----------------------------- Read / Write ----------------------------- */
/* Read from the current address space */
-#define m68ki_read_8(A) m68ki_read_8_fc (A, FLAG_S | m68ki_get_address_space())
-#define m68ki_read_16(A) m68ki_read_16_fc(A, FLAG_S | m68ki_get_address_space())
-#define m68ki_read_32(A) m68ki_read_32_fc(A, FLAG_S | m68ki_get_address_space())
+#define m68ki_read_8(state, A) m68ki_read_8_fc (state, A, FLAG_S | m68ki_get_address_space())
+#define m68ki_read_16(state, A) m68ki_read_16_fc(state, A, FLAG_S | m68ki_get_address_space())
+#define m68ki_read_32(state, A) m68ki_read_32_fc(state, A, FLAG_S | m68ki_get_address_space())
/* Write to the current data space */
-#define m68ki_write_8(A, V) m68ki_write_8_fc (A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
-#define m68ki_write_16(A, V) m68ki_write_16_fc(A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
-#define m68ki_write_32(A, V) m68ki_write_32_fc(A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
+#define m68ki_write_8(state, A, V) m68ki_write_8_fc (state, A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
+#define m68ki_write_16(state, A, V) m68ki_write_16_fc(state, A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
+#define m68ki_write_32(state, A, V) m68ki_write_32_fc(state, A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
#if M68K_SIMULATE_PD_WRITES
#define m68ki_write_32_pd(A, V) m68ki_write_32_pd_fc(A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
#else
-#define m68ki_write_32_pd(A, V) m68ki_write_32_fc(A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
+#define m68ki_write_32_pd(state, A, V) m68ki_write_32_fc(state, A, FLAG_S | FUNCTION_CODE_USER_DATA, V)
#endif
/* Map PC-relative reads */
-#define m68ki_read_pcrel_8(A) m68k_read_pcrelative_8(A)
-#define m68ki_read_pcrel_16(A) m68k_read_pcrelative_16(A)
-#define m68ki_read_pcrel_32(A) m68k_read_pcrelative_32(A)
+#define m68ki_read_pcrel_8(state, A) m68k_read_pcrelative_8(state, A)
+#define m68ki_read_pcrel_16(state, A) m68k_read_pcrelative_16(state, A)
+#define m68ki_read_pcrel_32(state, A) m68k_read_pcrelative_32(state, A)
/* Read from the program space */
-#define m68ki_read_program_8(A) m68ki_read_8_fc(A, FLAG_S | FUNCTION_CODE_USER_PROGRAM)
-#define m68ki_read_program_16(A) m68ki_read_16_fc(A, FLAG_S | FUNCTION_CODE_USER_PROGRAM)
-#define m68ki_read_program_32(A) m68ki_read_32_fc(A, FLAG_S | FUNCTION_CODE_USER_PROGRAM)
+#define m68ki_read_program_8(state, A) m68ki_read_8_fc(state, A, FLAG_S | FUNCTION_CODE_USER_PROGRAM)
+#define m68ki_read_program_16(state, A) m68ki_read_16_fc(state, A, FLAG_S | FUNCTION_CODE_USER_PROGRAM)
+#define m68ki_read_program_32(state, A) m68ki_read_32_fc(state, A, FLAG_S | FUNCTION_CODE_USER_PROGRAM)
/* Read from the data space */
-#define m68ki_read_data_8(A) m68ki_read_8_fc(A, FLAG_S | FUNCTION_CODE_USER_DATA)
-#define m68ki_read_data_16(A) m68ki_read_16_fc(A, FLAG_S | FUNCTION_CODE_USER_DATA)
-#define m68ki_read_data_32(A) m68ki_read_32_fc(A, FLAG_S | FUNCTION_CODE_USER_DATA)
+#define m68ki_read_data_8(state, A) m68ki_read_8_fc(state, A, FLAG_S | FUNCTION_CODE_USER_DATA)
+#define m68ki_read_data_16(state, A) m68ki_read_16_fc(state, A, FLAG_S | FUNCTION_CODE_USER_DATA)
+#define m68ki_read_data_32(state, A) m68ki_read_32_fc(state, A, FLAG_S | FUNCTION_CODE_USER_DATA)
} fp_reg;
typedef struct
+{
+ unsigned int lower;
+ unsigned int upper;
+ unsigned char *offset;
+} address_translation_cache;
+
+
+
+typedef struct m68ki_cpu_core
{
uint cpu_type; /* CPU Type: 68000, 68008, 68010, 68EC020, 68020, 68EC030, 68030, 68EC040, or 68040 */
uint dar[16]; /* Data and Address Registers */
void (*set_fc_callback)(unsigned int new_fc); /* Called when the CPU function code changes */
void (*instr_hook_callback)(unsigned int pc); /* Called every instruction cycle prior to execution */
+ /* address translation caches */
+
+ unsigned char read_ranges;
+ unsigned int read_addr[8];
+ unsigned int read_upper[8];
+ unsigned char *read_data[8];
+ unsigned char write_ranges;
+ unsigned int write_addr[8];
+ unsigned int write_upper[8];
+ unsigned char *write_data[8];
+ address_translation_cache code_translation_cache;
+
+
} m68ki_cpu_core;
extern uint m68ki_aerr_fc;
/* Forward declarations to keep some of the macros happy */
-static inline uint m68ki_read_16_fc (uint address, uint fc);
-static inline uint m68ki_read_32_fc (uint address, uint fc);
-static inline uint m68ki_get_ea_ix(uint An);
-static inline void m68ki_check_interrupts(void); /* ASG: check for interrupts */
+static inline uint m68ki_read_16_fc(m68ki_cpu_core *state, uint address, uint fc);
+static inline uint m68ki_read_32_fc(m68ki_cpu_core *state, uint address, uint fc);
+static inline uint m68ki_get_ea_ix(m68ki_cpu_core *state, uint An);
+static inline void m68ki_check_interrupts(m68ki_cpu_core *state); /* ASG: check for interrupts */
/* quick disassembly (used for logging) */
char* m68ki_disassemble_quick(unsigned int pc, unsigned int cpu_type);
/* ---------------------------- Read Immediate ---------------------------- */
-typedef struct
-{
- unsigned int lower;
- unsigned int upper;
- unsigned char *data;
-} address_translation_cache;
-
-
-extern unsigned char read_ranges;
-extern unsigned int read_addr[8];
-extern unsigned int read_upper[8];
-extern unsigned char *read_data[8];
-extern unsigned char write_ranges;
-extern unsigned int write_addr[8];
-extern unsigned int write_upper[8];
-extern unsigned char *write_data[8];
-
-extern address_translation_cache code_translation_cache;
// clear the instruction cache
-inline void m68ki_ic_clear()
+inline void m68ki_ic_clear(m68ki_cpu_core *state)
{
int i;
for (i=0; i< M68K_IC_SIZE; i++) {
- m68ki_cpu.ic_address[i] = ~0;
+ state->ic_address[i] = ~0;
}
}
-extern uint32 pmmu_translate_addr(uint32 addr_in, const uint16 rw);
+extern uint32 pmmu_translate_addr(m68ki_cpu_core *state, uint32 addr_in, uint16 rw);
// read immediate word using the instruction cache
-static inline uint32 m68ki_ic_readimm16(uint32 address)
+static inline uint32 m68ki_ic_readimm16(m68ki_cpu_core *state, uint32 address)
{
- if (m68ki_cpu.cacr & M68K_CACR_EI)
+ if (state->cacr & M68K_CACR_EI)
{
// 68020 series I-cache (MC68020 User's Manual, Section 4 - On-Chip Cache Memory)
if (CPU_TYPE & (CPU_TYPE_EC020 | CPU_TYPE_020))
{
- uint32 tag = (address >> 8) | (m68ki_cpu.s_flag ? 0x1000000 : 0);
+ uint32 tag = (address >> 8) | (state->s_flag ? 0x1000000 : 0);
int idx = (address >> 2) & 0x3f; // 1-of-64 select
// do a cache fill if the line is invalid or the tags don't match
- if ((!m68ki_cpu.ic_valid[idx]) || (m68ki_cpu.ic_address[idx] != tag))
+ if ((!state->ic_valid[idx]) || (state->ic_address[idx] != tag))
{
// if the cache is frozen, don't update it
- if (m68ki_cpu.cacr & M68K_CACR_FI)
+ if (state->cacr & M68K_CACR_FI)
{
- return m68k_read_immediate_16(address);
+ return m68k_read_immediate_16(state, address);
}
- uint32 data = m68ki_read_32(address & ~3);
+ uint32 data = m68ki_read_32(state, address & ~3);
//printf("m68k: doing cache fill at %08x (tag %08x idx %d)\n", address, tag, idx);
// if no buserror occurred, validate the tag
- if (!m68ki_cpu.mmu_tmp_buserror_occurred)
+ if (!state->mmu_tmp_buserror_occurred)
{
- m68ki_cpu.ic_address[idx] = tag;
- m68ki_cpu.ic_data[idx] = data;
- m68ki_cpu.ic_valid[idx] = 1;
+ state->ic_address[idx] = tag;
+ state->ic_data[idx] = data;
+ state->ic_valid[idx] = 1;
}
else
{
- return m68k_read_immediate_16(address);
+ return m68k_read_immediate_16(state, address);
}
}
// a hit or because we just filled it.
if (address & 2)
{
- return m68ki_cpu.ic_data[idx] & 0xffff;
+ return state->ic_data[idx] & 0xffff;
}
else
{
- return m68ki_cpu.ic_data[idx] >> 16;
+ return state->ic_data[idx] >> 16;
}
}
}
- return m68k_read_immediate_16(address);
+ return m68k_read_immediate_16(state, address);
}
/* Handles all immediate reads, does address error check, function code setting,
* and prefetching if they are enabled in m68kconf.h
*/
-uint m68ki_read_imm6_addr_slowpath(uint32_t pc, address_translation_cache *cache);
+uint m68ki_read_imm16_addr_slowpath(m68ki_cpu_core *state, uint32_t pc, address_translation_cache *cache);
-static inline uint m68ki_read_imm_16(void)
+static inline uint m68ki_read_imm_16(m68ki_cpu_core *state)
{
uint32_t pc = REG_PC;
- address_translation_cache *cache = &code_translation_cache;
- if(pc >= cache->lower && pc < cache->upper)
- {
- REG_PC += 2;
- return be16toh(((unsigned short *)(cache->data + (pc - cache->lower)))[0]);
- }
- return m68ki_read_imm6_addr_slowpath(pc, cache);
+ address_translation_cache *cache = &state->code_translation_cache;
+ if(pc >= cache->lower && pc < cache->upper)
+ {
+ REG_PC += 2;
+ return be16toh(((unsigned short *)(cache->offset + pc))[0]);
+ }
+ return m68ki_read_imm16_addr_slowpath(state, pc, cache);
}
-static inline uint m68ki_read_imm_8(void)
+static inline uint m68ki_read_imm_8(m68ki_cpu_core *state)
{
/* map read immediate 8 to read immediate 16 */
- return MASK_OUT_ABOVE_8(m68ki_read_imm_16());
+ return MASK_OUT_ABOVE_8(m68ki_read_imm_16(state));
}
-static inline uint m68ki_read_imm_32(void)
+static inline uint m68ki_read_imm_32(m68ki_cpu_core *state)
{
#if M68K_SEPARATE_READS
#if M68K_EMULATE_PMMU
#endif
#endif
uint32_t address = ADDRESS_68K(REG_PC);
- for (int i = 0; i < read_ranges; i++) {
- if(address >= read_addr[i] && address < read_upper[i]) {
+ for (int i = 0; i < state->read_ranges; i++) {
+ if(address >= state->read_addr[i] && address < state->read_upper[i]) {
REG_PC += 4;
- return be32toh(((unsigned int *)(read_data[i] + (address - read_addr[i])))[0]);
+ return be32toh(((unsigned int *)(state->read_data[i] + (address - state->read_addr[i])))[0]);
}
}
uint temp_val;
m68ki_set_fc(FLAG_S | FUNCTION_CODE_USER_PROGRAM); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = FLAG_S | FUNCTION_CODE_USER_PROGRAM;
- m68ki_cpu.mmu_tmp_rw = 1;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_LONG;
- m68ki_check_address_error(REG_PC, MODE_READ, FLAG_S | FUNCTION_CODE_USER_PROGRAM); /* auto-disable (see m68kcpu.h) */
+ state->mmu_tmp_fc = FLAG_S | FUNCTION_CODE_USER_PROGRAM;
+ state->mmu_tmp_rw = 1;
+ state->mmu_tmp_sz = M68K_SZ_LONG;
+ m68ki_check_address_error(state, REG_PC, MODE_READ, FLAG_S | FUNCTION_CODE_USER_PROGRAM); /* auto-disable (see m68kcpu.h) */
if(REG_PC != CPU_PREF_ADDR)
{
CPU_PREF_ADDR = REG_PC;
- CPU_PREF_DATA = m68ki_ic_readimm16(ADDRESS_68K(CPU_PREF_ADDR));
+ CPU_PREF_DATA = m68ki_ic_readimm16(state, ADDRESS_68K(CPU_PREF_ADDR));
}
temp_val = MASK_OUT_ABOVE_16(CPU_PREF_DATA);
REG_PC += 2;
CPU_PREF_ADDR = REG_PC;
- CPU_PREF_DATA = m68ki_ic_readimm16(ADDRESS_68K(CPU_PREF_ADDR));
+ CPU_PREF_DATA = m68ki_ic_readimm16(state, ADDRESS_68K(CPU_PREF_ADDR));
temp_val = MASK_OUT_ABOVE_32((temp_val << 16) | MASK_OUT_ABOVE_16(CPU_PREF_DATA));
REG_PC += 2;
- CPU_PREF_DATA = m68ki_ic_readimm16(REG_PC);
- CPU_PREF_ADDR = m68ki_cpu.mmu_tmp_buserror_occurred ? ((uint32)~0) : REG_PC;
+ CPU_PREF_DATA = m68ki_ic_readimm16(state, REG_PC);
+ CPU_PREF_ADDR = state->mmu_tmp_buserror_occurred ? ((uint32)~0) : REG_PC;
return temp_val;
#else
* code if they are enabled in m68kconf.h.
*/
-static inline uint m68ki_read_8_fc(uint address, uint fc)
+static inline uint m68ki_read_8_fc(m68ki_cpu_core *state, uint address, uint fc)
{
(void)fc;
m68ki_set_fc(fc); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = fc;
- m68ki_cpu.mmu_tmp_rw = 1;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_BYTE;
+ state->mmu_tmp_fc = fc;
+ state->mmu_tmp_rw = 1;
+ state->mmu_tmp_sz = M68K_SZ_BYTE;
#if M68K_EMULATE_PMMU
if (PMMU_ENABLED)
- address = pmmu_translate_addr(address,1);
+ address = pmmu_translate_addr(state,address,1);
#endif
- for (int i = 0; i < read_ranges; i++) {
- if(address >= read_addr[i] && address < read_upper[i]) {
- return read_data[i][address - read_addr[i]];
+ for (int i = 0; i < state->read_ranges; i++) {
+ if(address >= state->read_addr[i] && address < state->read_upper[i]) {
+ return state->read_data[i][address - state->read_addr[i]];
}
}
return m68k_read_memory_8(ADDRESS_68K(address));
}
-static inline uint m68ki_read_16_fc(uint address, uint fc)
+static inline uint m68ki_read_16_fc(m68ki_cpu_core *state, uint address, uint fc)
{
m68ki_set_fc(fc); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = fc;
- m68ki_cpu.mmu_tmp_rw = 1;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_WORD;
- m68ki_check_address_error_010_less(address, MODE_READ, fc); /* auto-disable (see m68kcpu.h) */
+ state->mmu_tmp_fc = fc;
+ state->mmu_tmp_rw = 1;
+ state->mmu_tmp_sz = M68K_SZ_WORD;
+ m68ki_check_address_error_010_less(state, address, MODE_READ, fc); /* auto-disable (see m68kcpu.h) */
#if M68K_EMULATE_PMMU
if (PMMU_ENABLED)
- address = pmmu_translate_addr(address,1);
+ address = pmmu_translate_addr(state,address,1);
#endif
- for (int i = 0; i < read_ranges; i++) {
- if(address >= read_addr[i] && address < read_upper[i]) {
- return be16toh(((unsigned short *)(read_data[i] + (address - read_addr[i])))[0]);
+ for (int i = 0; i < state->read_ranges; i++) {
+ if(address >= state->read_addr[i] && address < state->read_upper[i]) {
+ return be16toh(((unsigned short *)(state->read_data[i] + (address - state->read_addr[i])))[0]);
}
}
return m68k_read_memory_16(ADDRESS_68K(address));
}
-static inline uint m68ki_read_32_fc(uint address, uint fc)
+static inline uint m68ki_read_32_fc(m68ki_cpu_core *state, uint address, uint fc)
{
m68ki_set_fc(fc); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = fc;
- m68ki_cpu.mmu_tmp_rw = 1;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_LONG;
- m68ki_check_address_error_010_less(address, MODE_READ, fc); /* auto-disable (see m68kcpu.h) */
+ state->mmu_tmp_fc = fc;
+ state->mmu_tmp_rw = 1;
+ state->mmu_tmp_sz = M68K_SZ_LONG;
+ m68ki_check_address_error_010_less(state, address, MODE_READ, fc); /* auto-disable (see m68kcpu.h) */
#if M68K_EMULATE_PMMU
if (PMMU_ENABLED)
- address = pmmu_translate_addr(address,1);
+ address = pmmu_translate_addr(state,address,1);
#endif
- for (int i = 0; i < read_ranges; i++) {
- if(address >= read_addr[i] && address < read_upper[i]) {
- return be32toh(((unsigned int *)(read_data[i] + (address - read_addr[i])))[0]);
+ for (int i = 0; i < state->read_ranges; i++) {
+ if(address >= state->read_addr[i] && address < state->read_upper[i]) {
+ return be32toh(((unsigned int *)(state->read_data[i] + (address - state->read_addr[i])))[0]);
}
}
return m68k_read_memory_32(ADDRESS_68K(address));
}
-static inline void m68ki_write_8_fc(uint address, uint fc, uint value)
+static inline void m68ki_write_8_fc(m68ki_cpu_core *state, uint address, uint fc, uint value)
{
m68ki_set_fc(fc); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = fc;
- m68ki_cpu.mmu_tmp_rw = 0;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_BYTE;
+ state->mmu_tmp_fc = fc;
+ state->mmu_tmp_rw = 0;
+ state->mmu_tmp_sz = M68K_SZ_BYTE;
#if M68K_EMULATE_PMMU
if (PMMU_ENABLED)
- address = pmmu_translate_addr(address,0);
+ address = pmmu_translate_addr(state,address,0);
#endif
- for (int i = 0; i < write_ranges; i++) {
- if(address >= write_addr[i] && address < write_upper[i]) {
- write_data[i][address - write_addr[i]] = (unsigned char)value;
+ for (int i = 0; i < state->write_ranges; i++) {
+ if(address >= state->write_addr[i] && address < state->write_upper[i]) {
+ state->write_data[i][address - state->write_addr[i]] = (unsigned char)value;
return;
}
}
m68k_write_memory_8(ADDRESS_68K(address), value);
}
-static inline void m68ki_write_16_fc(uint address, uint fc, uint value)
+static inline void m68ki_write_16_fc(m68ki_cpu_core *state, uint address, uint fc, uint value)
{
m68ki_set_fc(fc); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = fc;
- m68ki_cpu.mmu_tmp_rw = 0;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_WORD;
- m68ki_check_address_error_010_less(address, MODE_WRITE, fc); /* auto-disable (see m68kcpu.h) */
+ state->mmu_tmp_fc = fc;
+ state->mmu_tmp_rw = 0;
+ state->mmu_tmp_sz = M68K_SZ_WORD;
+ m68ki_check_address_error_010_less(state, address, MODE_WRITE, fc); /* auto-disable (see m68kcpu.h) */
#if M68K_EMULATE_PMMU
if (PMMU_ENABLED)
- address = pmmu_translate_addr(address,0);
+ address = pmmu_translate_addr(state,address,0);
#endif
- for (int i = 0; i < write_ranges; i++) {
- if(address >= write_addr[i] && address < write_upper[i]) {
- ((short *)(write_data[i] + (address - write_addr[i])))[0] = htobe16(value);
+ for (int i = 0; i < state->write_ranges; i++) {
+ if(address >= state->write_addr[i] && address < state->write_upper[i]) {
+ ((short *)(state->write_data[i] + (address - state->write_addr[i])))[0] = htobe16(value);
return;
}
}
m68k_write_memory_16(ADDRESS_68K(address), value);
}
-static inline void m68ki_write_32_fc(uint address, uint fc, uint value)
+static inline void m68ki_write_32_fc(m68ki_cpu_core *state, uint address, uint fc, uint value)
{
m68ki_set_fc(fc); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = fc;
- m68ki_cpu.mmu_tmp_rw = 0;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_LONG;
- m68ki_check_address_error_010_less(address, MODE_WRITE, fc); /* auto-disable (see m68kcpu.h) */
+ state->mmu_tmp_fc = fc;
+ state->mmu_tmp_rw = 0;
+ state->mmu_tmp_sz = M68K_SZ_LONG;
+ m68ki_check_address_error_010_less(state, address, MODE_WRITE, fc); /* auto-disable (see m68kcpu.h) */
#if M68K_EMULATE_PMMU
if (PMMU_ENABLED)
- address = pmmu_translate_addr(address,0);
+ address = pmmu_translate_addr(state,address,0);
#endif
- for (int i = 0; i < write_ranges; i++) {
- if(address >= write_addr[i] && address < write_upper[i]) {
- ((int *)(write_data[i] + (address - write_addr[i])))[0] = htobe32(value);
+ for (int i = 0; i < state->write_ranges; i++) {
+ if(address >= state->write_addr[i] && address < state->write_upper[i]) {
+ ((int *)(state->write_data[i] + (address - state->write_addr[i])))[0] = htobe32(value);
return;
}
}
static inline void m68ki_write_32_pd_fc(uint address, uint fc, uint value)
{
m68ki_set_fc(fc); /* auto-disable (see m68kcpu.h) */
- m68ki_cpu.mmu_tmp_fc = fc;
- m68ki_cpu.mmu_tmp_rw = 0;
- m68ki_cpu.mmu_tmp_sz = M68K_SZ_LONG;
- m68ki_check_address_error_010_less(address, MODE_WRITE, fc); /* auto-disable (see m68kcpu.h) */
+ state->mmu_tmp_fc = fc;
+ state->mmu_tmp_rw = 0;
+ state->mmu_tmp_sz = M68K_SZ_LONG;
+ m68ki_check_address_error_010_less(state, address, MODE_WRITE, fc); /* auto-disable (see m68kcpu.h) */
#if M68K_EMULATE_PMMU
if (PMMU_ENABLED)
- address = pmmu_translate_addr(address,0);
+ address = pmmu_translate_addr(state,address,0);
#endif
m68k_write_memory_32_pd(ADDRESS_68K(address), value);
/* The program counter relative addressing modes cause operands to be
* retrieved from program space, not data space.
*/
-static inline uint m68ki_get_ea_pcdi(void)
+static inline uint m68ki_get_ea_pcdi(m68ki_cpu_core *state)
{
uint old_pc = REG_PC;
m68ki_use_program_space(); /* auto-disable */
- return old_pc + MAKE_INT_16(m68ki_read_imm_16());
+ return old_pc + MAKE_INT_16(m68ki_read_imm_16(state));
}
-static inline uint m68ki_get_ea_pcix(void)
+static inline uint m68ki_get_ea_pcix(m68ki_cpu_core *state)
{
m68ki_use_program_space(); /* auto-disable */
- return m68ki_get_ea_ix(REG_PC);
+ return m68ki_get_ea_ix(state, REG_PC);
}
/* Indexed addressing modes are encoded as follows:
* 1 011 mem indir with long outer
* 1 100-111 reserved
*/
-static inline uint m68ki_get_ea_ix(uint An)
+static inline uint m68ki_get_ea_ix(m68ki_cpu_core *state, uint An)
{
/* An = base register */
- uint extension = m68ki_read_imm_16();
+ uint extension = m68ki_read_imm_16(state);
uint Xn = 0; /* Index register */
uint bd = 0; /* Base Displacement */
uint od = 0; /* Outer Displacement */
/* Check if base displacement is present */
if(BIT_5(extension)) /* BD SIZE */
- bd = BIT_4(extension) ? m68ki_read_imm_32() : (uint32)MAKE_INT_16(m68ki_read_imm_16());
+ bd = BIT_4(extension) ? m68ki_read_imm_32(state) : (uint32)MAKE_INT_16(m68ki_read_imm_16(state));
/* If no indirect action, we are done */
if(!(extension&7)) /* No Memory Indirect */
/* Check if outer displacement is present */
if(BIT_1(extension)) /* I/IS: od */
- od = BIT_0(extension) ? m68ki_read_imm_32() : (uint32)MAKE_INT_16(m68ki_read_imm_16());
+ od = BIT_0(extension) ? m68ki_read_imm_32(state) : (uint32)MAKE_INT_16(m68ki_read_imm_16(state));
/* Postindex */
if(BIT_2(extension)) /* I/IS: 0 = preindex, 1 = postindex */
- return m68ki_read_32(An + bd) + Xn + od;
+ return m68ki_read_32(state, An + bd) + Xn + od;
/* Preindex */
- return m68ki_read_32(An + bd + Xn) + od;
+ return m68ki_read_32(state, An + bd + Xn) + od;
}
/* Fetch operands */
-static inline uint OPER_AY_AI_8(void) {uint ea = EA_AY_AI_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AY_AI_16(void) {uint ea = EA_AY_AI_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AY_AI_32(void) {uint ea = EA_AY_AI_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AY_PI_8(void) {uint ea = EA_AY_PI_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AY_PI_16(void) {uint ea = EA_AY_PI_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AY_PI_32(void) {uint ea = EA_AY_PI_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AY_PD_8(void) {uint ea = EA_AY_PD_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AY_PD_16(void) {uint ea = EA_AY_PD_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AY_PD_32(void) {uint ea = EA_AY_PD_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AY_DI_8(void) {uint ea = EA_AY_DI_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AY_DI_16(void) {uint ea = EA_AY_DI_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AY_DI_32(void) {uint ea = EA_AY_DI_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AY_IX_8(void) {uint ea = EA_AY_IX_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AY_IX_16(void) {uint ea = EA_AY_IX_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AY_IX_32(void) {uint ea = EA_AY_IX_32(); return m68ki_read_32(ea);}
-
-static inline uint OPER_AX_AI_8(void) {uint ea = EA_AX_AI_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AX_AI_16(void) {uint ea = EA_AX_AI_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AX_AI_32(void) {uint ea = EA_AX_AI_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AX_PI_8(void) {uint ea = EA_AX_PI_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AX_PI_16(void) {uint ea = EA_AX_PI_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AX_PI_32(void) {uint ea = EA_AX_PI_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AX_PD_8(void) {uint ea = EA_AX_PD_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AX_PD_16(void) {uint ea = EA_AX_PD_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AX_PD_32(void) {uint ea = EA_AX_PD_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AX_DI_8(void) {uint ea = EA_AX_DI_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AX_DI_16(void) {uint ea = EA_AX_DI_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AX_DI_32(void) {uint ea = EA_AX_DI_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AX_IX_8(void) {uint ea = EA_AX_IX_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AX_IX_16(void) {uint ea = EA_AX_IX_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AX_IX_32(void) {uint ea = EA_AX_IX_32(); return m68ki_read_32(ea);}
-
-static inline uint OPER_A7_PI_8(void) {uint ea = EA_A7_PI_8(); return m68ki_read_8(ea); }
-static inline uint OPER_A7_PD_8(void) {uint ea = EA_A7_PD_8(); return m68ki_read_8(ea); }
-
-static inline uint OPER_AW_8(void) {uint ea = EA_AW_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AW_16(void) {uint ea = EA_AW_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AW_32(void) {uint ea = EA_AW_32(); return m68ki_read_32(ea);}
-static inline uint OPER_AL_8(void) {uint ea = EA_AL_8(); return m68ki_read_8(ea); }
-static inline uint OPER_AL_16(void) {uint ea = EA_AL_16(); return m68ki_read_16(ea);}
-static inline uint OPER_AL_32(void) {uint ea = EA_AL_32(); return m68ki_read_32(ea);}
-static inline uint OPER_PCDI_8(void) {uint ea = EA_PCDI_8(); return m68ki_read_pcrel_8(ea); }
-static inline uint OPER_PCDI_16(void) {uint ea = EA_PCDI_16(); return m68ki_read_pcrel_16(ea);}
-static inline uint OPER_PCDI_32(void) {uint ea = EA_PCDI_32(); return m68ki_read_pcrel_32(ea);}
-static inline uint OPER_PCIX_8(void) {uint ea = EA_PCIX_8(); return m68ki_read_pcrel_8(ea); }
-static inline uint OPER_PCIX_16(void) {uint ea = EA_PCIX_16(); return m68ki_read_pcrel_16(ea);}
-static inline uint OPER_PCIX_32(void) {uint ea = EA_PCIX_32(); return m68ki_read_pcrel_32(ea);}
+static inline uint OPER_AY_AI_8(m68ki_cpu_core *state) {uint ea = EA_AY_AI_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AY_AI_16(m68ki_cpu_core *state) {uint ea = EA_AY_AI_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AY_AI_32(m68ki_cpu_core *state) {uint ea = EA_AY_AI_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AY_PI_8(m68ki_cpu_core *state) {uint ea = EA_AY_PI_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AY_PI_16(m68ki_cpu_core *state) {uint ea = EA_AY_PI_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AY_PI_32(m68ki_cpu_core *state) {uint ea = EA_AY_PI_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AY_PD_8(m68ki_cpu_core *state) {uint ea = EA_AY_PD_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AY_PD_16(m68ki_cpu_core *state) {uint ea = EA_AY_PD_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AY_PD_32(m68ki_cpu_core *state) {uint ea = EA_AY_PD_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AY_DI_8(m68ki_cpu_core *state) {uint ea = EA_AY_DI_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AY_DI_16(m68ki_cpu_core *state) {uint ea = EA_AY_DI_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AY_DI_32(m68ki_cpu_core *state) {uint ea = EA_AY_DI_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AY_IX_8(m68ki_cpu_core *state) {uint ea = EA_AY_IX_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AY_IX_16(m68ki_cpu_core *state) {uint ea = EA_AY_IX_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AY_IX_32(m68ki_cpu_core *state) {uint ea = EA_AY_IX_32(); return m68ki_read_32(state, ea);}
+
+static inline uint OPER_AX_AI_8(m68ki_cpu_core *state) {uint ea = EA_AX_AI_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AX_AI_16(m68ki_cpu_core *state) {uint ea = EA_AX_AI_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AX_AI_32(m68ki_cpu_core *state) {uint ea = EA_AX_AI_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AX_PI_8(m68ki_cpu_core *state) {uint ea = EA_AX_PI_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AX_PI_16(m68ki_cpu_core *state) {uint ea = EA_AX_PI_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AX_PI_32(m68ki_cpu_core *state) {uint ea = EA_AX_PI_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AX_PD_8(m68ki_cpu_core *state) {uint ea = EA_AX_PD_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AX_PD_16(m68ki_cpu_core *state) {uint ea = EA_AX_PD_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AX_PD_32(m68ki_cpu_core *state) {uint ea = EA_AX_PD_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AX_DI_8(m68ki_cpu_core *state) {uint ea = EA_AX_DI_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AX_DI_16(m68ki_cpu_core *state) {uint ea = EA_AX_DI_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AX_DI_32(m68ki_cpu_core *state) {uint ea = EA_AX_DI_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AX_IX_8(m68ki_cpu_core *state) {uint ea = EA_AX_IX_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AX_IX_16(m68ki_cpu_core *state) {uint ea = EA_AX_IX_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AX_IX_32(m68ki_cpu_core *state) {uint ea = EA_AX_IX_32(); return m68ki_read_32(state, ea);}
+
+static inline uint OPER_A7_PI_8(m68ki_cpu_core *state) {uint ea = EA_A7_PI_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_A7_PD_8(m68ki_cpu_core *state) {uint ea = EA_A7_PD_8(); return m68ki_read_8(state, ea); }
+
+static inline uint OPER_AW_8(m68ki_cpu_core *state) {uint ea = EA_AW_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AW_16(m68ki_cpu_core *state) {uint ea = EA_AW_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AW_32(m68ki_cpu_core *state) {uint ea = EA_AW_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_AL_8(m68ki_cpu_core *state) {uint ea = EA_AL_8(); return m68ki_read_8(state, ea); }
+static inline uint OPER_AL_16(m68ki_cpu_core *state) {uint ea = EA_AL_16(); return m68ki_read_16(state, ea);}
+static inline uint OPER_AL_32(m68ki_cpu_core *state) {uint ea = EA_AL_32(); return m68ki_read_32(state, ea);}
+static inline uint OPER_PCDI_8(m68ki_cpu_core *state) {uint ea = EA_PCDI_8(); return m68ki_read_pcrel_8(state, ea);}
+static inline uint OPER_PCDI_16(m68ki_cpu_core *state) {uint ea = EA_PCDI_16(); return m68ki_read_pcrel_16(state, ea);}
+static inline uint OPER_PCDI_32(m68ki_cpu_core *state) {uint ea = EA_PCDI_32(); return m68ki_read_pcrel_32(state, ea);}
+static inline uint OPER_PCIX_8(m68ki_cpu_core *state) {uint ea = EA_PCIX_8(); return m68ki_read_pcrel_8(state, ea);}
+static inline uint OPER_PCIX_16(m68ki_cpu_core *state) {uint ea = EA_PCIX_16(); return m68ki_read_pcrel_16(state, ea);}
+static inline uint OPER_PCIX_32(m68ki_cpu_core *state) {uint ea = EA_PCIX_32(); return m68ki_read_pcrel_32(state, ea);}
/* ---------------------------- Stack Functions --------------------------- */
/* Push/pull data from the stack */
-static inline void m68ki_push_16(uint value)
+static inline void m68ki_push_16(m68ki_cpu_core *state, uint value)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP - 2);
- m68ki_write_16(REG_SP, value);
+ m68ki_write_16(state, REG_SP, value);
}
-static inline void m68ki_push_32(uint value)
+static inline void m68ki_push_32(m68ki_cpu_core *state, uint value)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP - 4);
- m68ki_write_32(REG_SP, value);
+ m68ki_write_32(state, REG_SP, value);
}
-static inline uint m68ki_pull_16(void)
+static inline uint m68ki_pull_16(m68ki_cpu_core *state)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP + 2);
- return m68ki_read_16(REG_SP-2);
+ return m68ki_read_16(state, REG_SP - 2);
}
-static inline uint m68ki_pull_32(void)
+static inline uint m68ki_pull_32(m68ki_cpu_core *state)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP + 4);
- return m68ki_read_32(REG_SP-4);
+ return m68ki_read_32(state, REG_SP - 4);
}
/* Increment/decrement the stack as if doing a push/pull but
* don't do any memory access.
*/
-static inline void m68ki_fake_push_16(void)
+static inline void m68ki_fake_push_16(m68ki_cpu_core *state)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP - 2);
}
-static inline void m68ki_fake_push_32(void)
+static inline void m68ki_fake_push_32(m68ki_cpu_core *state)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP - 4);
}
-static inline void m68ki_fake_pull_16(void)
+static inline void m68ki_fake_pull_16(m68ki_cpu_core *state)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP + 2);
}
-static inline void m68ki_fake_pull_32(void)
+static inline void m68ki_fake_pull_32(m68ki_cpu_core *state)
{
REG_SP = MASK_OUT_ABOVE_32(REG_SP + 4);
}
* These functions will also call the pc_changed callback if it was enabled
* in m68kconf.h.
*/
-static inline void m68ki_jump(uint new_pc)
+static inline void m68ki_jump(m68ki_cpu_core *state, uint new_pc)
{
REG_PC = new_pc;
m68ki_pc_changed(REG_PC);
}
-static inline void m68ki_jump_vector(uint vector)
+static inline void m68ki_jump_vector(m68ki_cpu_core *state, uint vector)
{
REG_PC = (vector<<2) + REG_VBR;
- REG_PC = m68ki_read_data_32(REG_PC);
+ REG_PC = m68ki_read_data_32(state, REG_PC);
m68ki_pc_changed(REG_PC);
}
* So far I've found no problems with not calling pc_changed for 8 or 16
* bit branches.
*/
-static inline void m68ki_branch_8(uint offset)
+static inline void m68ki_branch_8(m68ki_cpu_core *state, uint offset)
{
REG_PC += MAKE_INT_8(offset);
}
-static inline void m68ki_branch_16(uint offset)
+static inline void m68ki_branch_16(m68ki_cpu_core *state, uint offset)
{
REG_PC += MAKE_INT_16(offset);
}
-static inline void m68ki_branch_32(uint offset)
+static inline void m68ki_branch_32(m68ki_cpu_core *state, uint offset)
{
REG_PC += offset;
m68ki_pc_changed(REG_PC);
/* Set the S flag and change the active stack pointer.
* Note that value MUST be 4 or 0.
*/
-static inline void m68ki_set_s_flag(uint value)
+static inline void m68ki_set_s_flag(m68ki_cpu_core *state, uint value)
{
/* Backup the old stack pointer */
REG_SP_BASE[FLAG_S | ((FLAG_S>>1) & FLAG_M)] = REG_SP;
/* Set the S and M flags and change the active stack pointer.
* Note that value MUST be 0, 2, 4, or 6 (bit2 = S, bit1 = M).
*/
-static inline void m68ki_set_sm_flag(uint value)
+static inline void m68ki_set_sm_flag(m68ki_cpu_core *state, uint value)
{
/* Backup the old stack pointer */
REG_SP_BASE[FLAG_S | ((FLAG_S>>1) & FLAG_M)] = REG_SP;
}
/* Set the S and M flags. Don't touch the stack pointer. */
-static inline void m68ki_set_sm_flag_nosp(uint value)
+static inline void m68ki_set_sm_flag_nosp(m68ki_cpu_core *state, uint value)
{
/* Set the S and M flags */
FLAG_S = value & SFLAG_SET;
/* Set the condition code register */
-static inline void m68ki_set_ccr(uint value)
+static inline void m68ki_set_ccr(m68ki_cpu_core *state, uint value)
{
FLAG_X = BIT_4(value) << 4;
FLAG_N = BIT_3(value) << 4;
}
/* Set the status register but don't check for interrupts */
-static inline void m68ki_set_sr_noint(uint value)
+static inline void m68ki_set_sr_noint(m68ki_cpu_core *state, uint value)
{
/* Mask out the "unimplemented" bits */
value &= CPU_SR_MASK;
FLAG_T1 = BIT_F(value);
FLAG_T0 = BIT_E(value);
FLAG_INT_MASK = value & 0x0700;
- m68ki_set_ccr(value);
- m68ki_set_sm_flag((value >> 11) & 6);
+ m68ki_set_ccr(state, value);
+ m68ki_set_sm_flag(state, (value >> 11) & 6);
}
/* Set the status register but don't check for interrupts nor
* change the stack pointer
*/
-static inline void m68ki_set_sr_noint_nosp(uint value)
+static inline void m68ki_set_sr_noint_nosp(m68ki_cpu_core *state, uint value)
{
/* Mask out the "unimplemented" bits */
value &= CPU_SR_MASK;
FLAG_T1 = BIT_F(value);
FLAG_T0 = BIT_E(value);
FLAG_INT_MASK = value & 0x0700;
- m68ki_set_ccr(value);
- m68ki_set_sm_flag_nosp((value >> 11) & 6);
+ m68ki_set_ccr(state, value);
+ m68ki_set_sm_flag_nosp(state, (value >> 11) & 6);
}
/* Set the status register and check for interrupts */
-static inline void m68ki_set_sr(uint value)
+static inline void m68ki_set_sr(m68ki_cpu_core *state, uint value)
{
- m68ki_set_sr_noint(value);
- m68ki_check_interrupts();
+ m68ki_set_sr_noint(state, value);
+ m68ki_check_interrupts(state);
}
/* ------------------------- Exception Processing ------------------------- */
/* Initiate exception processing */
-static inline uint m68ki_init_exception(void)
+static inline uint m68ki_init_exception(m68ki_cpu_core *state)
{
/* Save the old status register */
uint sr = m68ki_get_sr();
FLAG_T1 = FLAG_T0 = 0;
m68ki_clear_trace();
/* Enter supervisor mode */
- m68ki_set_s_flag(SFLAG_SET);
+ m68ki_set_s_flag(state, SFLAG_SET);
return sr;
}
/* 3 word stack frame (68000 only) */
-static inline void m68ki_stack_frame_3word(uint pc, uint sr)
+static inline void m68ki_stack_frame_3word(m68ki_cpu_core *state, uint pc, uint sr)
{
- m68ki_push_32(pc);
- m68ki_push_16(sr);
+ m68ki_push_32(state, pc);
+ m68ki_push_16(state, sr);
}
/* Format 0 stack frame.
* This is the standard stack frame for 68010+.
*/
-static inline void m68ki_stack_frame_0000(uint pc, uint sr, uint vector)
+static inline void m68ki_stack_frame_0000(m68ki_cpu_core *state, uint pc, uint sr, uint vector)
{
/* Stack a 3-word frame if we are 68000 */
if(CPU_TYPE == CPU_TYPE_000)
{
- m68ki_stack_frame_3word(pc, sr);
+ m68ki_stack_frame_3word(state, pc, sr);
return;
}
- m68ki_push_16(vector<<2);
- m68ki_push_32(pc);
- m68ki_push_16(sr);
+ m68ki_push_16(state, vector << 2);
+ m68ki_push_32(state, pc);
+ m68ki_push_16(state, sr);
}
/* Format 1 stack frame (68020).
* For 68020, this is the 4 word throwaway frame.
*/
-static inline void m68ki_stack_frame_0001(uint pc, uint sr, uint vector)
+static inline void m68ki_stack_frame_0001(m68ki_cpu_core *state, uint pc, uint sr, uint vector)
{
- m68ki_push_16(0x1000 | (vector<<2));
- m68ki_push_32(pc);
- m68ki_push_16(sr);
+ m68ki_push_16(state, 0x1000 | (vector << 2));
+ m68ki_push_32(state, pc);
+ m68ki_push_16(state, sr);
}
/* Format 2 stack frame.
* This is used only by 68020 for trap exceptions.
*/
-static inline void m68ki_stack_frame_0010(uint sr, uint vector)
+static inline void m68ki_stack_frame_0010(m68ki_cpu_core *state, uint sr, uint vector)
{
- m68ki_push_32(REG_PPC);
- m68ki_push_16(0x2000 | (vector<<2));
- m68ki_push_32(REG_PC);
- m68ki_push_16(sr);
+ m68ki_push_32(state, REG_PPC);
+ m68ki_push_16(state, 0x2000 | (vector << 2));
+ m68ki_push_32(state, REG_PC);
+ m68ki_push_16(state, sr);
}
/* Bus error stack frame (68000 only).
*/
-static inline void m68ki_stack_frame_buserr(uint sr)
+static inline void m68ki_stack_frame_buserr(m68ki_cpu_core *state, uint sr)
{
- m68ki_push_32(REG_PC);
- m68ki_push_16(sr);
- m68ki_push_16(REG_IR);
- m68ki_push_32(m68ki_aerr_address); /* access address */
+ m68ki_push_32(state, REG_PC);
+ m68ki_push_16(state, sr);
+ m68ki_push_16(state, REG_IR);
+ m68ki_push_32(state, m68ki_aerr_address); /* access address */
/* 0 0 0 0 0 0 0 0 0 0 0 R/W I/N FC
* R/W 0 = write, 1 = read
* I/N 0 = instruction, 1 = not
* FC 3-bit function code
*/
- m68ki_push_16(m68ki_aerr_write_mode | CPU_INSTR_MODE | m68ki_aerr_fc);
+ m68ki_push_16(state, m68ki_aerr_write_mode | CPU_INSTR_MODE | m68ki_aerr_fc);
}
/* Format 8 stack frame (68010).
* 68010 only. This is the 29 word bus/address error frame.
*/
-static inline void m68ki_stack_frame_1000(uint pc, uint sr, uint vector)
+static inline void m68ki_stack_frame_1000(m68ki_cpu_core *state, uint pc, uint sr, uint vector)
{
/* VERSION
* NUMBER
* INTERNAL INFORMATION, 16 WORDS
*/
- m68ki_fake_push_32();
- m68ki_fake_push_32();
- m68ki_fake_push_32();
- m68ki_fake_push_32();
- m68ki_fake_push_32();
- m68ki_fake_push_32();
- m68ki_fake_push_32();
- m68ki_fake_push_32();
+ m68ki_fake_push_32(state);
+ m68ki_fake_push_32(state);
+ m68ki_fake_push_32(state);
+ m68ki_fake_push_32(state);
+ m68ki_fake_push_32(state);
+ m68ki_fake_push_32(state);
+ m68ki_fake_push_32(state);
+ m68ki_fake_push_32(state);
/* INSTRUCTION INPUT BUFFER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* UNUSED, RESERVED (not written) */
- m68ki_fake_push_16();
+ m68ki_fake_push_16(state);
/* DATA INPUT BUFFER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* UNUSED, RESERVED (not written) */
- m68ki_fake_push_16();
+ m68ki_fake_push_16(state);
/* DATA OUTPUT BUFFER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* UNUSED, RESERVED (not written) */
- m68ki_fake_push_16();
+ m68ki_fake_push_16(state);
/* FAULT ADDRESS */
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
/* SPECIAL STATUS WORD */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* 1000, VECTOR OFFSET */
- m68ki_push_16(0x8000 | (vector<<2));
+ m68ki_push_16(state, 0x8000 | (vector << 2));
/* PROGRAM COUNTER */
- m68ki_push_32(pc);
+ m68ki_push_32(state, pc);
/* STATUS REGISTER */
- m68ki_push_16(sr);
+ m68ki_push_16(state, sr);
}
/* Format A stack frame (short bus fault).
* if the error happens at an instruction boundary.
* PC stacked is address of next instruction.
*/
-static inline void m68ki_stack_frame_1010(uint sr, uint vector, uint pc, uint fault_address)
+static inline void m68ki_stack_frame_1010(m68ki_cpu_core *state, uint sr, uint vector, uint pc, uint fault_address)
{
- int orig_rw = m68ki_cpu.mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
- int orig_fc = m68ki_cpu.mmu_tmp_buserror_fc;
- int orig_sz = m68ki_cpu.mmu_tmp_buserror_sz;
+ int orig_rw = state->mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
+ int orig_fc = state->mmu_tmp_buserror_fc;
+ int orig_sz = state->mmu_tmp_buserror_sz;
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* DATA OUTPUT BUFFER (2 words) */
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* DATA CYCLE FAULT ADDRESS (2 words) */
- m68ki_push_32(fault_address);
+ m68ki_push_32(state, fault_address);
/* INSTRUCTION PIPE STAGE B */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* INSTRUCTION PIPE STAGE C */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* SPECIAL STATUS REGISTER */
// set bit for: Rerun Faulted bus Cycle, or run pending prefetch
// set FC
- m68ki_push_16(0x0100 | orig_fc | orig_rw<<6 | orig_sz<<4);
+ m68ki_push_16(state, 0x0100 | orig_fc | orig_rw << 6 | orig_sz << 4);
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* 1010, VECTOR OFFSET */
- m68ki_push_16(0xa000 | (vector<<2));
+ m68ki_push_16(state, 0xa000 | (vector << 2));
/* PROGRAM COUNTER */
- m68ki_push_32(pc);
+ m68ki_push_32(state, pc);
/* STATUS REGISTER */
- m68ki_push_16(sr);
+ m68ki_push_16(state, sr);
}
/* Format B stack frame (long bus fault).
* if the error happens during instruction execution.
* PC stacked is address of instruction in progress.
*/
-static inline void m68ki_stack_frame_1011(uint sr, uint vector, uint pc, uint fault_address)
+static inline void m68ki_stack_frame_1011(m68ki_cpu_core *state, uint sr, uint vector, uint pc, uint fault_address)
{
- int orig_rw = m68ki_cpu.mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
- int orig_fc = m68ki_cpu.mmu_tmp_buserror_fc;
- int orig_sz = m68ki_cpu.mmu_tmp_buserror_sz;
+ int orig_rw = state->mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
+ int orig_fc = state->mmu_tmp_buserror_fc;
+ int orig_sz = state->mmu_tmp_buserror_sz;
/* INTERNAL REGISTERS (18 words) */
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
/* VERSION# (4 bits), INTERNAL INFORMATION */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* INTERNAL REGISTERS (3 words) */
- m68ki_push_32(0);
- m68ki_push_16(0);
+ m68ki_push_32(state, 0);
+ m68ki_push_16(state, 0);
/* DATA INTPUT BUFFER (2 words) */
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
/* INTERNAL REGISTERS (2 words) */
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
/* STAGE B ADDRESS (2 words) */
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
/* INTERNAL REGISTER (4 words) */
- m68ki_push_32(0);
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
/* DATA OUTPUT BUFFER (2 words) */
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* DATA CYCLE FAULT ADDRESS (2 words) */
- m68ki_push_32(fault_address);
+ m68ki_push_32(state, fault_address);
/* INSTRUCTION PIPE STAGE B */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* INSTRUCTION PIPE STAGE C */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* SPECIAL STATUS REGISTER */
- m68ki_push_16(0x0100 | orig_fc | (orig_rw<<6) | (orig_sz<<4));
+ m68ki_push_16(state, 0x0100 | orig_fc | (orig_rw << 6) | (orig_sz << 4));
/* INTERNAL REGISTER */
- m68ki_push_16(0);
+ m68ki_push_16(state, 0);
/* 1011, VECTOR OFFSET */
- m68ki_push_16(0xb000 | (vector<<2));
+ m68ki_push_16(state, 0xb000 | (vector << 2));
/* PROGRAM COUNTER */
- m68ki_push_32(pc);
+ m68ki_push_32(state, pc);
/* STATUS REGISTER */
- m68ki_push_16(sr);
+ m68ki_push_16(state, sr);
}
/* Type 7 stack frame (access fault).
* This is used by the 68040 for bus fault and mmu trap
* 30 words
*/
-static inline void m68ki_stack_frame_0111(uint sr, uint vector, uint pc, uint fault_address, uint8 in_mmu)
+static inline void
+m68ki_stack_frame_0111(m68ki_cpu_core *state, uint sr, uint vector, uint pc, uint fault_address, uint8 in_mmu)
{
- int orig_rw = m68ki_cpu.mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
- int orig_fc = m68ki_cpu.mmu_tmp_buserror_fc;
+ int orig_rw = state->mmu_tmp_buserror_rw; // this gets splatted by the following pushes, so save it now
+ int orig_fc = state->mmu_tmp_buserror_fc;
/* INTERNAL REGISTERS (18 words) */
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
- m68ki_push_32(0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
+ m68ki_push_32(state, 0);
/* FAULT ADDRESS (2 words) */
- m68ki_push_32(fault_address);
+ m68ki_push_32(state, fault_address);
/* INTERNAL REGISTERS (3 words) */
- m68ki_push_32(0);
- m68ki_push_16(0);
+ m68ki_push_32(state, 0);
+ m68ki_push_16(state, 0);
/* SPECIAL STATUS REGISTER (1 word) */
- m68ki_push_16((in_mmu ? 0x400 : 0) | orig_fc | (orig_rw<<8));
+ m68ki_push_16(state, (in_mmu ? 0x400 : 0) | orig_fc | (orig_rw << 8));
/* EFFECTIVE ADDRESS (2 words) */
- m68ki_push_32(fault_address);
+ m68ki_push_32(state, fault_address);
/* 0111, VECTOR OFFSET (1 word) */
- m68ki_push_16(0x7000 | (vector<<2));
+ m68ki_push_16(state, 0x7000 | (vector << 2));
/* PROGRAM COUNTER (2 words) */
- m68ki_push_32(pc);
+ m68ki_push_32(state, pc);
/* STATUS REGISTER (1 word) */
- m68ki_push_16(sr);
+ m68ki_push_16(state, sr);
}
/* Used for Group 2 exceptions.
* These stack a type 2 frame on the 020.
*/
-static inline void m68ki_exception_trap(uint vector)
+static inline void m68ki_exception_trap(m68ki_cpu_core *state, uint vector)
{
- uint sr = m68ki_init_exception();
+ uint sr = m68ki_init_exception(state);
if(CPU_TYPE_IS_010_LESS(CPU_TYPE))
- m68ki_stack_frame_0000(REG_PC, sr, vector);
+ m68ki_stack_frame_0000(state, REG_PC, sr, vector);
else
- m68ki_stack_frame_0010(sr, vector);
+ m68ki_stack_frame_0010(state, sr, vector);
- m68ki_jump_vector(vector);
+ m68ki_jump_vector(state, vector);
/* Use up some clock cycles and undo the instruction's cycles */
USE_CYCLES(CYC_EXCEPTION[vector] - CYC_INSTRUCTION[REG_IR]);
}
/* Trap#n stacks a 0 frame but behaves like group2 otherwise */
-static inline void m68ki_exception_trapN(uint vector)
+static inline void m68ki_exception_trapN(m68ki_cpu_core *state, uint vector)
{
- uint sr = m68ki_init_exception();
- m68ki_stack_frame_0000(REG_PC, sr, vector);
- m68ki_jump_vector(vector);
+ uint sr = m68ki_init_exception(state);
+ m68ki_stack_frame_0000(state, REG_PC, sr, vector);
+ m68ki_jump_vector(state, vector);
/* Use up some clock cycles and undo the instruction's cycles */
USE_CYCLES(CYC_EXCEPTION[vector] - CYC_INSTRUCTION[REG_IR]);
}
/* Exception for trace mode */
-static inline void m68ki_exception_trace(void)
+static inline void m68ki_exception_trace(m68ki_cpu_core *state)
{
- uint sr = m68ki_init_exception();
+ uint sr = m68ki_init_exception(state);
if(CPU_TYPE_IS_010_LESS(CPU_TYPE))
{
CPU_INSTR_MODE = INSTRUCTION_NO;
}
#endif /* M68K_EMULATE_ADDRESS_ERROR */
- m68ki_stack_frame_0000(REG_PC, sr, EXCEPTION_TRACE);
+ m68ki_stack_frame_0000(state, REG_PC, sr, EXCEPTION_TRACE);
}
else
- m68ki_stack_frame_0010(sr, EXCEPTION_TRACE);
+ m68ki_stack_frame_0010(state, sr, EXCEPTION_TRACE);
- m68ki_jump_vector(EXCEPTION_TRACE);
+ m68ki_jump_vector(state, EXCEPTION_TRACE);
/* Trace nullifies a STOP instruction */
CPU_STOPPED &= ~STOP_LEVEL_STOP;
}
/* Exception for privilege violation */
-static inline void m68ki_exception_privilege_violation(void)
+static inline void m68ki_exception_privilege_violation(m68ki_cpu_core *state)
{
- uint sr = m68ki_init_exception();
+ uint sr = m68ki_init_exception(state);
#if M68K_EMULATE_ADDRESS_ERROR == OPT_ON
if(CPU_TYPE_IS_000(CPU_TYPE))
}
#endif /* M68K_EMULATE_ADDRESS_ERROR */
- m68ki_stack_frame_0000(REG_PPC, sr, EXCEPTION_PRIVILEGE_VIOLATION);
- m68ki_jump_vector(EXCEPTION_PRIVILEGE_VIOLATION);
+ m68ki_stack_frame_0000(state, REG_PPC, sr, EXCEPTION_PRIVILEGE_VIOLATION);
+ m68ki_jump_vector(state, EXCEPTION_PRIVILEGE_VIOLATION);
/* Use up some clock cycles and undo the instruction's cycles */
USE_CYCLES(CYC_EXCEPTION[EXCEPTION_PRIVILEGE_VIOLATION] - CYC_INSTRUCTION[REG_IR]);
#define m68ki_check_bus_error_trap() setjmp(m68ki_bus_error_jmp_buf)
/* Exception for bus error */
-static inline void m68ki_exception_bus_error(void)
+static inline void m68ki_exception_bus_error(m68ki_cpu_core *state)
{
int i;
REG_DA[i] = REG_DA_SAVE[i];
}
- uint sr = m68ki_init_exception();
- m68ki_stack_frame_1000(REG_PPC, sr, EXCEPTION_BUS_ERROR);
+ uint sr = m68ki_init_exception(state);
+ m68ki_stack_frame_1000(state, REG_PPC, sr, EXCEPTION_BUS_ERROR);
- m68ki_jump_vector(EXCEPTION_BUS_ERROR);
+ m68ki_jump_vector(state, EXCEPTION_BUS_ERROR);
longjmp(m68ki_bus_error_jmp_buf, 1);
}
extern int cpu_log_enabled;
/* Exception for A-Line instructions */
-static inline void m68ki_exception_1010(void)
+static inline void m68ki_exception_1010(m68ki_cpu_core *state)
{
uint sr;
#if M68K_LOG_1010_1111 == OPT_ON
m68ki_disassemble_quick(ADDRESS_68K(REG_PPC),CPU_TYPE)));
#endif
- sr = m68ki_init_exception();
- m68ki_stack_frame_0000(REG_PPC, sr, EXCEPTION_1010);
- m68ki_jump_vector(EXCEPTION_1010);
+ sr = m68ki_init_exception(state);
+ m68ki_stack_frame_0000(state, REG_PPC, sr, EXCEPTION_1010);
+ m68ki_jump_vector(state, EXCEPTION_1010);
/* Use up some clock cycles and undo the instruction's cycles */
USE_CYCLES(CYC_EXCEPTION[EXCEPTION_1010] - CYC_INSTRUCTION[REG_IR]);
}
/* Exception for F-Line instructions */
-static inline void m68ki_exception_1111(void)
+static inline void m68ki_exception_1111(m68ki_cpu_core *state)
{
uint sr;
m68ki_disassemble_quick(ADDRESS_68K(REG_PPC),CPU_TYPE)));
#endif
- sr = m68ki_init_exception();
- m68ki_stack_frame_0000(REG_PPC, sr, EXCEPTION_1111);
- m68ki_jump_vector(EXCEPTION_1111);
+ sr = m68ki_init_exception(state);
+ m68ki_stack_frame_0000(state, REG_PPC, sr, EXCEPTION_1111);
+ m68ki_jump_vector(state, EXCEPTION_1111);
/* Use up some clock cycles and undo the instruction's cycles */
USE_CYCLES(CYC_EXCEPTION[EXCEPTION_1111] - CYC_INSTRUCTION[REG_IR]);
#endif
/* Exception for illegal instructions */
-static inline void m68ki_exception_illegal(void)
+static inline void m68ki_exception_illegal(m68ki_cpu_core *state)
{
uint sr;
if (m68ki_illg_callback(REG_IR))
return;
- sr = m68ki_init_exception();
+ sr = m68ki_init_exception(state);
#if M68K_EMULATE_ADDRESS_ERROR == OPT_ON
if(CPU_TYPE_IS_000(CPU_TYPE))
}
#endif /* M68K_EMULATE_ADDRESS_ERROR */
- m68ki_stack_frame_0000(REG_PPC, sr, EXCEPTION_ILLEGAL_INSTRUCTION);
- m68ki_jump_vector(EXCEPTION_ILLEGAL_INSTRUCTION);
+ m68ki_stack_frame_0000(state, REG_PPC, sr, EXCEPTION_ILLEGAL_INSTRUCTION);
+ m68ki_jump_vector(state, EXCEPTION_ILLEGAL_INSTRUCTION);
/* Use up some clock cycles and undo the instruction's cycles */
USE_CYCLES(CYC_EXCEPTION[EXCEPTION_ILLEGAL_INSTRUCTION] - CYC_INSTRUCTION[REG_IR]);
}
/* Exception for format errror in RTE */
-static inline void m68ki_exception_format_error(void)
+static inline void m68ki_exception_format_error(m68ki_cpu_core *state)
{
- uint sr = m68ki_init_exception();
- m68ki_stack_frame_0000(REG_PC, sr, EXCEPTION_FORMAT_ERROR);
- m68ki_jump_vector(EXCEPTION_FORMAT_ERROR);
+ uint sr = m68ki_init_exception(state);
+ m68ki_stack_frame_0000(state, REG_PC, sr, EXCEPTION_FORMAT_ERROR);
+ m68ki_jump_vector(state, EXCEPTION_FORMAT_ERROR);
/* Use up some clock cycles and undo the instruction's cycles */
USE_CYCLES(CYC_EXCEPTION[EXCEPTION_FORMAT_ERROR] - CYC_INSTRUCTION[REG_IR]);
}
/* Exception for address error */
-static inline void m68ki_exception_address_error(void)
+static inline void m68ki_exception_address_error(m68ki_cpu_core *state)
{
- uint32 sr = m68ki_init_exception();
+ uint32 sr = m68ki_init_exception(state);
/* If we were processing a bus error, address error, or reset,
* this is a catastrophic failure.
if (CPU_TYPE_IS_000(CPU_TYPE))
{
/* Note: This is implemented for 68000 only! */
- m68ki_stack_frame_buserr(sr);
+ m68ki_stack_frame_buserr(state, sr);
}
else if (CPU_TYPE_IS_010(CPU_TYPE))
{
/* only the 68010 throws this unique type-1000 frame */
- m68ki_stack_frame_1000(REG_PPC, sr, EXCEPTION_BUS_ERROR);
+ m68ki_stack_frame_1000(state, REG_PPC, sr, EXCEPTION_BUS_ERROR);
}
- else if (m68ki_cpu.mmu_tmp_buserror_address == REG_PPC)
+ else if (state->mmu_tmp_buserror_address == REG_PPC)
{
- m68ki_stack_frame_1010(sr, EXCEPTION_BUS_ERROR, REG_PPC, m68ki_cpu.mmu_tmp_buserror_address);
+ m68ki_stack_frame_1010(state, sr, EXCEPTION_BUS_ERROR, REG_PPC, state->mmu_tmp_buserror_address);
}
else
{
- m68ki_stack_frame_1011(sr, EXCEPTION_BUS_ERROR, REG_PPC, m68ki_cpu.mmu_tmp_buserror_address);
+ m68ki_stack_frame_1011(state, sr, EXCEPTION_BUS_ERROR, REG_PPC, state->mmu_tmp_buserror_address);
}
- m68ki_jump_vector(EXCEPTION_ADDRESS_ERROR);
+ m68ki_jump_vector(state, EXCEPTION_ADDRESS_ERROR);
- m68ki_cpu.run_mode = RUN_MODE_BERR_AERR_RESET;
+ state->run_mode = RUN_MODE_BERR_AERR_RESET;
/* Use up some clock cycles. Note that we don't need to undo the
instruction's cycles here as we've longjmp:ed directly from the
/* Service an interrupt request and start exception processing */
-static inline void m68ki_exception_interrupt(uint int_level)
+static inline void m68ki_exception_interrupt(m68ki_cpu_core *state, uint int_level)
{
uint vector;
uint sr;
}
/* Start exception processing */
- sr = m68ki_init_exception();
+ sr = m68ki_init_exception(state);
/* Set the interrupt mask to the level of the one being serviced */
FLAG_INT_MASK = int_level<<8;
/* Get the new PC */
- new_pc = m68ki_read_data_32((vector<<2) + REG_VBR);
+ new_pc = m68ki_read_data_32(state, (vector << 2) + REG_VBR);
/* If vector is uninitialized, call the uninitialized interrupt vector */
if(new_pc == 0)
- new_pc = m68ki_read_data_32((EXCEPTION_UNINITIALIZED_INTERRUPT<<2) + REG_VBR);
+ new_pc = m68ki_read_data_32(state, (EXCEPTION_UNINITIALIZED_INTERRUPT << 2) + REG_VBR);
/* Generate a stack frame */
- m68ki_stack_frame_0000(REG_PC, sr, vector);
+ m68ki_stack_frame_0000(state, REG_PC, sr, vector);
if(FLAG_M && CPU_TYPE_IS_EC020_PLUS(CPU_TYPE))
{
/* Create throwaway frame */
- m68ki_set_sm_flag(FLAG_S); /* clear M */
+ m68ki_set_sm_flag(state, FLAG_S); /* clear M */
sr |= 0x2000; /* Same as SR in master stack frame except S is forced high */
- m68ki_stack_frame_0001(REG_PC, sr, vector);
+ m68ki_stack_frame_0001(state, REG_PC, sr, vector);
}
- m68ki_jump(new_pc);
+ m68ki_jump(state, new_pc);
/* Defer cycle counting until later */
USE_CYCLES(CYC_EXCEPTION[vector]);
/* ASG: Check for interrupts */
-static inline void m68ki_check_interrupts(void)
+static inline void m68ki_check_interrupts(m68ki_cpu_core *state)
{
- if(m68ki_cpu.nmi_pending)
+ if(state->nmi_pending)
{
- m68ki_cpu.nmi_pending = FALSE;
- m68ki_exception_interrupt(7);
+ state->nmi_pending = FALSE;
+ m68ki_exception_interrupt(state, 7);
}
else if(CPU_INT_LEVEL > FLAG_INT_MASK)
- m68ki_exception_interrupt(CPU_INT_LEVEL>>8);
+ m68ki_exception_interrupt(state, CPU_INT_LEVEL >> 8);
}
projects / pistorm / blobdiff