From 47fef2b463a484f3dafe979ec4e646990460dece Mon Sep 17 00:00:00 2001 From: Andrew Waterman Date: Mon, 27 Mar 2017 14:25:57 -0700 Subject: Separate page faults from physical memory access exceptions --- encoding.h | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) (limited to 'encoding.h') diff --git a/encoding.h b/encoding.h index 4f0d0a4..b07d976 100644 --- a/encoding.h +++ b/encoding.h @@ -147,9 +147,8 @@ #define IRQ_HOST 13 #define DEFAULT_RSTVEC 0x00001000 -#define DEFAULT_NMIVEC 0x00001004 -#define DEFAULT_MTVEC 0x00001010 -#define CONFIG_STRING_ADDR 0x0000100C +#define CLINT_BASE 0x02000000 +#define CLINT_SIZE 0x000c0000 #define EXT_IO_BASE 0x40000000 #define DRAM_BASE 0x80000000 @@ -959,17 +958,20 @@ #define CSR_MHPMCOUNTER30H 0xb9e #define CSR_MHPMCOUNTER31H 0xb9f #define CAUSE_MISALIGNED_FETCH 0x0 -#define CAUSE_FAULT_FETCH 0x1 +#define CAUSE_FETCH_ACCESS 0x1 #define CAUSE_ILLEGAL_INSTRUCTION 0x2 #define CAUSE_BREAKPOINT 0x3 #define CAUSE_MISALIGNED_LOAD 0x4 -#define CAUSE_FAULT_LOAD 0x5 +#define CAUSE_LOAD_ACCESS 0x5 #define CAUSE_MISALIGNED_STORE 0x6 -#define CAUSE_FAULT_STORE 0x7 +#define CAUSE_STORE_ACCESS 0x7 #define CAUSE_USER_ECALL 0x8 #define CAUSE_SUPERVISOR_ECALL 0x9 #define CAUSE_HYPERVISOR_ECALL 0xa #define CAUSE_MACHINE_ECALL 0xb +#define CAUSE_FETCH_PAGE_FAULT 0xc +#define CAUSE_LOAD_PAGE_FAULT 0xd +#define CAUSE_STORE_PAGE_FAULT 0xf #endif #ifdef DECLARE_INSN DECLARE_INSN(beq, MATCH_BEQ, MASK_BEQ) @@ -1451,15 +1453,18 @@ DECLARE_CSR(mhpmcounter31h, CSR_MHPMCOUNTER31H) #endif #ifdef DECLARE_CAUSE DECLARE_CAUSE("misaligned fetch", CAUSE_MISALIGNED_FETCH) -DECLARE_CAUSE("fault fetch", CAUSE_FAULT_FETCH) +DECLARE_CAUSE("fetch access", CAUSE_FETCH_ACCESS) DECLARE_CAUSE("illegal instruction", CAUSE_ILLEGAL_INSTRUCTION) DECLARE_CAUSE("breakpoint", CAUSE_BREAKPOINT) DECLARE_CAUSE("misaligned load", CAUSE_MISALIGNED_LOAD) -DECLARE_CAUSE("fault load", CAUSE_FAULT_LOAD) +DECLARE_CAUSE("load access", CAUSE_LOAD_ACCESS) DECLARE_CAUSE("misaligned store", CAUSE_MISALIGNED_STORE) -DECLARE_CAUSE("fault store", CAUSE_FAULT_STORE) +DECLARE_CAUSE("store access", CAUSE_STORE_ACCESS) DECLARE_CAUSE("user_ecall", CAUSE_USER_ECALL) DECLARE_CAUSE("supervisor_ecall", CAUSE_SUPERVISOR_ECALL) DECLARE_CAUSE("hypervisor_ecall", CAUSE_HYPERVISOR_ECALL) DECLARE_CAUSE("machine_ecall", CAUSE_MACHINE_ECALL) +DECLARE_CAUSE("fetch page fault", CAUSE_FETCH_PAGE_FAULT) +DECLARE_CAUSE("load page fault", CAUSE_LOAD_PAGE_FAULT) +DECLARE_CAUSE("store page fault", CAUSE_STORE_PAGE_FAULT) #endif -- cgit v1.1