/*****************************************************************************/
/* Exceptions */
-enum {
- EXCP_NONE = -1,
- /* PowerPC hardware exceptions : exception vector / 0x100 */
- EXCP_RESET = 0x01, /* System reset */
- EXCP_MACHINE_CHECK = 0x02, /* Machine check exception */
- EXCP_DSI = 0x03, /* Impossible memory access */
- EXCP_ISI = 0x04, /* Impossible instruction fetch */
- EXCP_EXTERNAL = 0x05, /* External interruption */
- EXCP_ALIGN = 0x06, /* Alignment exception */
- EXCP_PROGRAM = 0x07, /* Program exception */
- EXCP_NO_FP = 0x08, /* No floating point */
- EXCP_DECR = 0x09, /* Decrementer exception */
- EXCP_RESA = 0x0A, /* Implementation specific */
- EXCP_RESB = 0x0B, /* Implementation specific */
- EXCP_SYSCALL = 0x0C, /* System call */
- EXCP_TRACE = 0x0D, /* Trace exception (optional) */
- EXCP_FP_ASSIST = 0x0E, /* Floating-point assist (optional) */
- /* MPC740/745/750 & IBM 750 */
- EXCP_PERF = 0x0F, /* Performance monitor */
- EXCP_IABR = 0x13, /* Instruction address breakpoint */
- EXCP_SMI = 0x14, /* System management interrupt */
- EXCP_THRM = 0x15, /* Thermal management interrupt */
- /* MPC755 */
- EXCP_TLBMISS = 0x10, /* Instruction TLB miss */
- EXCP_TLBMISS_DL = 0x11, /* Data TLB miss for load */
- EXCP_TLBMISS_DS = 0x12, /* Data TLB miss for store */
- EXCP_PPC_MAX = 0x16,
- /* Qemu exception */
- EXCP_OFCALL = 0x20, /* Call open-firmware emulator */
- EXCP_RTASCALL = 0x21, /* Call RTAS emulator */
- /* Special cases where we want to stop translation */
- EXCP_MTMSR = 0x104, /* mtmsr instruction: */
+#define EXCP_NONE -1
+/* PowerPC hardware exceptions : exception vectors defined in PowerPC book 3 */
+#define EXCP_RESET 0x0100 /* System reset */
+#define EXCP_MACHINE_CHECK 0x0200 /* Machine check exception */
+#define EXCP_DSI 0x0300 /* Data storage exception */
+#define EXCP_DSEG 0x0380 /* Data segment exception */
+#define EXCP_ISI 0x0400 /* Instruction storage exception */
+#define EXCP_ISEG 0x0480 /* Instruction segment exception */
+#define EXCP_EXTERNAL 0x0500 /* External interruption */
+#define EXCP_ALIGN 0x0600 /* Alignment exception */
+#define EXCP_PROGRAM 0x0700 /* Program exception */
+#define EXCP_NO_FP 0x0800 /* Floating point unavailable exception */
+#define EXCP_DECR 0x0900 /* Decrementer exception */
+#define EXCP_HDECR 0x0980 /* Hypervisor decrementer exception */
+#define EXCP_SYSCALL 0x0C00 /* System call */
+#define EXCP_TRACE 0x0D00 /* Trace exception */
+#define EXCP_PERF 0x0F00 /* Performance monitor exception */
+/* Exceptions defined in PowerPC 32 bits programming environment manual */
+#define EXCP_FP_ASSIST 0x0E00 /* Floating-point assist */
+/* Implementation specific exceptions */
+/* 40x exceptions */
+#define EXCP_40x_PIT 0x1000 /* Programmable interval timer interrupt */
+#define EXCP_40x_FIT 0x1010 /* Fixed interval timer interrupt */
+#define EXCP_40x_WATCHDOG 0x1020 /* Watchdog timer exception */
+#define EXCP_40x_DTLBMISS 0x1100 /* Data TLB miss exception */
+#define EXCP_40x_ITLBMISS 0x1200 /* Instruction TLB miss exception */
+#define EXCP_40x_DEBUG 0x2000 /* Debug exception */
+/* 405 specific exceptions */
+#define EXCP_405_APU 0x0F20 /* APU unavailable exception */
+/* TLB assist exceptions (602/603) */
+#define EXCP_I_TLBMISS 0x1000 /* Instruction TLB miss */
+#define EXCP_DL_TLBMISS 0x1100 /* Data load TLB miss */
+#define EXCP_DS_TLBMISS 0x1200 /* Data store TLB miss */
+/* Breakpoint exceptions (602/603/604/620/740/745/750/755...) */
+#define EXCP_IABR 0x1300 /* Instruction address breakpoint */
+#define EXCP_SMI 0x1400 /* System management interrupt */
+/* Altivec related exceptions */
+#define EXCP_VPU 0x0F20 /* VPU unavailable exception */
+/* 601 specific exceptions */
+#define EXCP_601_IO 0x0600 /* IO error exception */
+#define EXCP_601_RUNM 0x2000 /* Run mode exception */
+/* 602 specific exceptions */
+#define EXCP_602_WATCHDOG 0x1500 /* Watchdog exception */
+#define EXCP_602_EMUL 0x1600 /* Emulation trap exception */
+/* G2 specific exceptions */
+#define EXCP_G2_CRIT 0x0A00 /* Critical interrupt */
+/* MPC740/745/750 & IBM 750 specific exceptions */
+#define EXCP_THRM 0x1700 /* Thermal management interrupt */
+/* 74xx specific exceptions */
+#define EXCP_74xx_VPUA 0x1600 /* VPU assist exception */
+/* 970FX specific exceptions */
+#define EXCP_970_SOFTP 0x1500 /* Soft patch exception */
+#define EXCP_970_MAINT 0x1600 /* Maintenance exception */
+#define EXCP_970_THRM 0x1800 /* Thermal exception */
+#define EXCP_970_VPUA 0x1700 /* VPU assist exception */
+/* End of exception vectors area */
+#define EXCP_PPC_MAX 0x4000
+/* Qemu exceptions: special cases we want to stop translation */
+#define EXCP_MTMSR 0x11000 /* mtmsr instruction: */
/* may change privilege level */
- EXCP_BRANCH = 0x108, /* branch instruction */
- EXCP_RFI = 0x10C, /* return from interrupt */
- EXCP_SYSCALL_USER = 0x110, /* System call in user mode only */
-};
+#define EXCP_BRANCH 0x11001 /* branch instruction */
+#define EXCP_SYSCALL_USER 0x12000 /* System call in user mode only */
+#define EXCP_INTERRUPT_CRITICAL 0x13000 /* critical IRQ */
+
/* Error codes */
enum {
- /* Exception subtypes for EXCP_DSI */
- EXCP_DSI_TRANSLATE = 0x01, /* Data address can't be translated */
- EXCP_DSI_NOTSUP = 0x02, /* Access type not supported */
- EXCP_DSI_PROT = 0x03, /* Memory protection violation */
- EXCP_DSI_EXTERNAL = 0x04, /* External access disabled */
- EXCP_DSI_DABR = 0x05, /* Data address breakpoint */
- /* flags for EXCP_DSI */
- EXCP_DSI_DIRECT = 0x10,
- EXCP_DSI_STORE = 0x20,
- EXCP_DSI_ECXW = 0x40,
- /* Exception subtypes for EXCP_ISI */
- EXCP_ISI_TRANSLATE = 0x01, /* Code address can't be translated */
- EXCP_ISI_NOEXEC = 0x02, /* Try to fetch from a data segment */
- EXCP_ISI_GUARD = 0x03, /* Fetch from guarded memory */
- EXCP_ISI_PROT = 0x04, /* Memory protection violation */
- EXCP_ISI_DIRECT = 0x05, /* Trying to fetch from *
- * a direct store segment */
/* Exception subtypes for EXCP_ALIGN */
EXCP_ALIGN_FP = 0x01, /* FP alignment exception */
EXCP_ALIGN_LST = 0x02, /* Unaligned mult/extern load/store */
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