diff options
| -rw-r--r-- | target/m68k/cpu.h | 8 | ||||
| -rw-r--r-- | target/m68k/op_helper.c | 117 |
2 files changed, 123 insertions, 2 deletions
diff --git a/target/m68k/cpu.h b/target/m68k/cpu.h index 5d03764..acc2629 100644 --- a/target/m68k/cpu.h +++ b/target/m68k/cpu.h @@ -45,6 +45,8 @@ #define EXCP_ADDRESS 3 /* Address error. */ #define EXCP_ILLEGAL 4 /* Illegal instruction. */ #define EXCP_DIV0 5 /* Divide by zero */ +#define EXCP_CHK 6 /* CHK, CHK2 Instructions */ +#define EXCP_TRAPCC 7 /* FTRAPcc, TRAPcc, TRAPV Instructions */ #define EXCP_PRIVILEGE 8 /* Privilege violation. */ #define EXCP_TRACE 9 #define EXCP_LINEA 10 /* Unimplemented line-A (MAC) opcode. */ @@ -53,6 +55,9 @@ #define EXCP_DEBEGBP 13 /* Breakpoint debug interrupt. */ #define EXCP_FORMAT 14 /* RTE format error. */ #define EXCP_UNINITIALIZED 15 +#define EXCP_SPURIOUS 24 /* Spurious interrupt */ +#define EXCP_INT_LEVEL_1 25 /* Level 1 Interrupt autovector */ +#define EXCP_INT_LEVEL_7 31 /* Level 7 Interrupt autovector */ #define EXCP_TRAP0 32 /* User trap #0. */ #define EXCP_TRAP15 47 /* User trap #15. */ #define EXCP_FP_BSUN 48 /* Branch Set on Unordered */ @@ -63,6 +68,9 @@ #define EXCP_FP_OVFL 53 /* Overflow */ #define EXCP_FP_SNAN 54 /* Signaling Not-A-Number */ #define EXCP_FP_UNIMP 55 /* Unimplemented Data type */ +#define EXCP_MMU_CONF 56 /* MMU Configuration Error */ +#define EXCP_MMU_ILLEGAL 57 /* MMU Illegal Operation Error */ +#define EXCP_MMU_ACCESS 58 /* MMU Access Level Violation Error */ #define EXCP_UNSUPPORTED 61 #define EXCP_RTE 0x100 diff --git a/target/m68k/op_helper.c b/target/m68k/op_helper.c index 6308951..123981a 100644 --- a/target/m68k/op_helper.c +++ b/target/m68k/op_helper.c @@ -68,10 +68,116 @@ static void do_rte(CPUM68KState *env) helper_set_sr(env, fmt); } +static const char *m68k_exception_name(int index) +{ + switch (index) { + case EXCP_ACCESS: + return "Access Fault"; + case EXCP_ADDRESS: + return "Address Error"; + case EXCP_ILLEGAL: + return "Illegal Instruction"; + case EXCP_DIV0: + return "Divide by Zero"; + case EXCP_CHK: + return "CHK/CHK2"; + case EXCP_TRAPCC: + return "FTRAPcc, TRAPcc, TRAPV"; + case EXCP_PRIVILEGE: + return "Privilege Violation"; + case EXCP_TRACE: + return "Trace"; + case EXCP_LINEA: + return "A-Line"; + case EXCP_LINEF: + return "F-Line"; + case EXCP_DEBEGBP: /* 68020/030 only */ + return "Copro Protocol Violation"; + case EXCP_FORMAT: + return "Format Error"; + case EXCP_UNINITIALIZED: + return "Unitialized Interruot"; + case EXCP_SPURIOUS: + return "Spurious Interrupt"; + case EXCP_INT_LEVEL_1: + return "Level 1 Interrupt"; + case EXCP_INT_LEVEL_1 + 1: + return "Level 2 Interrupt"; + case EXCP_INT_LEVEL_1 + 2: + return "Level 3 Interrupt"; + case EXCP_INT_LEVEL_1 + 3: + return "Level 4 Interrupt"; + case EXCP_INT_LEVEL_1 + 4: + return "Level 5 Interrupt"; + case EXCP_INT_LEVEL_1 + 5: + return "Level 6 Interrupt"; + case EXCP_INT_LEVEL_1 + 6: + return "Level 7 Interrupt"; + case EXCP_TRAP0: + return "TRAP #0"; + case EXCP_TRAP0 + 1: + return "TRAP #1"; + case EXCP_TRAP0 + 2: + return "TRAP #2"; + case EXCP_TRAP0 + 3: + return "TRAP #3"; + case EXCP_TRAP0 + 4: + return "TRAP #4"; + case EXCP_TRAP0 + 5: + return "TRAP #5"; + case EXCP_TRAP0 + 6: + return "TRAP #6"; + case EXCP_TRAP0 + 7: + return "TRAP #7"; + case EXCP_TRAP0 + 8: + return "TRAP #8"; + case EXCP_TRAP0 + 9: + return "TRAP #9"; + case EXCP_TRAP0 + 10: + return "TRAP #10"; + case EXCP_TRAP0 + 11: + return "TRAP #11"; + case EXCP_TRAP0 + 12: + return "TRAP #12"; + case EXCP_TRAP0 + 13: + return "TRAP #13"; + case EXCP_TRAP0 + 14: + return "TRAP #14"; + case EXCP_TRAP0 + 15: + return "TRAP #15"; + case EXCP_FP_BSUN: + return "FP Branch/Set on unordered condition"; + case EXCP_FP_INEX: + return "FP Inexact Result"; + case EXCP_FP_DZ: + return "FP Divide by Zero"; + case EXCP_FP_UNFL: + return "FP Underflow"; + case EXCP_FP_OPERR: + return "FP Operand Error"; + case EXCP_FP_OVFL: + return "FP Overflow"; + case EXCP_FP_SNAN: + return "FP Signaling NAN"; + case EXCP_FP_UNIMP: + return "FP Unimplemented Data Type"; + case EXCP_MMU_CONF: /* 68030/68851 only */ + return "MMU Configuration Error"; + case EXCP_MMU_ILLEGAL: /* 68851 only */ + return "MMU Illegal Operation"; + case EXCP_MMU_ACCESS: /* 68851 only */ + return "MMU Access Level Violation"; + case 64 ... 255: + return "User Defined Vector"; + } + return "Unassigned"; +} + static void do_interrupt_all(CPUM68KState *env, int is_hw) { CPUState *cs = CPU(m68k_env_get_cpu(env)); uint32_t sp; + uint32_t sr; uint32_t fmt; uint32_t retaddr; uint32_t vector; @@ -109,10 +215,17 @@ static void do_interrupt_all(CPUM68KState *env, int is_hw) vector = cs->exception_index << 2; + sr = env->sr | cpu_m68k_get_ccr(env); + if (qemu_loglevel_mask(CPU_LOG_INT)) { + static int count; + qemu_log("INT %6d: %s(%#x) pc=%08x sp=%08x sr=%04x\n", + ++count, m68k_exception_name(cs->exception_index), + vector, env->pc, env->aregs[7], sr); + } + fmt |= 0x40000000; fmt |= vector << 16; - fmt |= env->sr; - fmt |= cpu_m68k_get_ccr(env); + fmt |= sr; env->sr |= SR_S; if (is_hw) { |