diff options
Diffstat (limited to 'arch/openrisc')
| -rw-r--r-- | arch/openrisc/kernel/entry.S | 14 | ||||
| -rw-r--r-- | arch/openrisc/kernel/head.S | 6 |
2 files changed, 14 insertions, 6 deletions
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S index 5e5b306..3de9712 100644 --- a/arch/openrisc/kernel/entry.S +++ b/arch/openrisc/kernel/entry.S @@ -201,12 +201,17 @@ EXCEPTION_ENTRY(_bus_fault_handler) l.nop /* ---[ 0x300: Data Page Fault exception ]------------------------------- */ +EXCEPTION_ENTRY(_dtlb_miss_page_fault_handler) + l.and r5,r5,r0 + l.j 1f + l.nop EXCEPTION_ENTRY(_data_page_fault_handler) /* set up parameters for do_page_fault */ + l.ori r5,r0,0x300 // exception vector +1: l.addi r3,r1,0 // pt_regs /* r4 set be EXCEPTION_HANDLE */ // effective address of fault - l.ori r5,r0,0x300 // exception vector /* * __PHX__: TODO @@ -276,12 +281,17 @@ EXCEPTION_ENTRY(_data_page_fault_handler) l.nop /* ---[ 0x400: Insn Page Fault exception ]------------------------------- */ +EXCEPTION_ENTRY(_itlb_miss_page_fault_handler) + l.and r5,r5,r0 + l.j 1f + l.nop EXCEPTION_ENTRY(_insn_page_fault_handler) /* set up parameters for do_page_fault */ + l.ori r5,r0,0x400 // exception vector +1: l.addi r3,r1,0 // pt_regs /* r4 set be EXCEPTION_HANDLE */ // effective address of fault - l.ori r5,r0,0x400 // exception vector l.ori r6,r0,0x0 // !write access /* call fault.c handler in or32/mm/fault.c */ diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S index 46aa940..b357e7f 100644 --- a/arch/openrisc/kernel/head.S +++ b/arch/openrisc/kernel/head.S @@ -1069,8 +1069,7 @@ d_pte_not_present: EXCEPTION_LOAD_GPR4 EXCEPTION_LOAD_GPR5 EXCEPTION_LOAD_GPR6 - l.j _dispatch_do_dpage_fault - l.nop + EXCEPTION_HANDLE(_dtlb_miss_page_fault_handler) /* ==============================================[ ITLB miss handler ]=== */ ENTRY(itlb_miss_handler) @@ -1192,8 +1191,7 @@ i_pte_not_present: EXCEPTION_LOAD_GPR4 EXCEPTION_LOAD_GPR5 EXCEPTION_LOAD_GPR6 - l.j _dispatch_do_ipage_fault - l.nop + EXCEPTION_HANDLE(_itlb_miss_page_fault_handler) /* ==============================================[ boot tlb handlers ]=== */ |
