| unaligned.c (45deb5faeb9e02951361ceba5ffee721745661c3) | unaligned.c (7cba4128c2c6e9c67a819c5946ed8066c7306418) |
|---|---|
| 1/* 2 * Handle unaligned accesses by emulation. 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 1996, 1998, 1999, 2002 by Ralf Baechle --- 95 unchanged lines hidden (view full) --- 104static u32 unaligned_instructions; 105static u32 unaligned_action; 106#else 107#define unaligned_action UNALIGNED_ACTION_QUIET 108#endif 109extern void show_registers(struct pt_regs *regs); 110 111static void emulate_load_store_insn(struct pt_regs *regs, | 1/* 2 * Handle unaligned accesses by emulation. 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 1996, 1998, 1999, 2002 by Ralf Baechle --- 95 unchanged lines hidden (view full) --- 104static u32 unaligned_instructions; 105static u32 unaligned_action; 106#else 107#define unaligned_action UNALIGNED_ACTION_QUIET 108#endif 109extern void show_registers(struct pt_regs *regs); 110 111static void emulate_load_store_insn(struct pt_regs *regs, |
| 112 void __user *addr, unsigned int __user *pc) | 112 void __user *addr, unsigned int *pc) |
| 113{ 114 unsigned long origpc, orig31, value; 115 union mips_instruction insn; 116 unsigned int res; 117 bool user = user_mode(regs); 118 119 origpc = (unsigned long)pc; 120 orig31 = regs->regs[31]; --- 1349 unchanged lines hidden (view full) --- 1470 die_if_kernel 1471 ("Unhandled kernel unaligned access or invalid instruction", regs); 1472 force_sig(SIGILL); 1473} 1474 1475asmlinkage void do_ade(struct pt_regs *regs) 1476{ 1477 enum ctx_state prev_state; | 113{ 114 unsigned long origpc, orig31, value; 115 union mips_instruction insn; 116 unsigned int res; 117 bool user = user_mode(regs); 118 119 origpc = (unsigned long)pc; 120 orig31 = regs->regs[31]; --- 1349 unchanged lines hidden (view full) --- 1470 die_if_kernel 1471 ("Unhandled kernel unaligned access or invalid instruction", regs); 1472 force_sig(SIGILL); 1473} 1474 1475asmlinkage void do_ade(struct pt_regs *regs) 1476{ 1477 enum ctx_state prev_state; |
| 1478 unsigned int __user *pc; | 1478 unsigned int *pc; |
| 1479 1480 prev_state = exception_enter(); 1481 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1482 1, regs, regs->cp0_badvaddr); 1483 /* 1484 * Did we catch a fault trying to load an instruction? 1485 */ 1486 if (regs->cp0_badvaddr == regs->cp0_epc) --- 34 unchanged lines hidden (view full) --- 1521 return; 1522 } 1523 1524 goto sigbus; 1525 } 1526 1527 if (unaligned_action == UNALIGNED_ACTION_SHOW) 1528 show_registers(regs); | 1479 1480 prev_state = exception_enter(); 1481 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1482 1, regs, regs->cp0_badvaddr); 1483 /* 1484 * Did we catch a fault trying to load an instruction? 1485 */ 1486 if (regs->cp0_badvaddr == regs->cp0_epc) --- 34 unchanged lines hidden (view full) --- 1521 return; 1522 } 1523 1524 goto sigbus; 1525 } 1526 1527 if (unaligned_action == UNALIGNED_ACTION_SHOW) 1528 show_registers(regs); |
| 1529 pc = (unsigned int __user *)exception_epc(regs); | 1529 pc = (unsigned int *)exception_epc(regs); |
| 1530 1531 emulate_load_store_insn(regs, (void __user *)regs->cp0_badvaddr, pc); 1532 1533 return; 1534 1535sigbus: 1536 die_if_kernel("Kernel unaligned instruction access", regs); 1537 force_sig(SIGBUS); --- 18 unchanged lines hidden --- | 1530 1531 emulate_load_store_insn(regs, (void __user *)regs->cp0_badvaddr, pc); 1532 1533 return; 1534 1535sigbus: 1536 die_if_kernel("Kernel unaligned instruction access", regs); 1537 force_sig(SIGBUS); --- 18 unchanged lines hidden --- |