diff options
Diffstat (limited to 'arch/mips/kernel/process.c')
| -rw-r--r-- | arch/mips/kernel/process.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 3da0161bdf84..803e255b6fc3 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -729,3 +729,47 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) return 0; } + +#if defined(CONFIG_32BIT) || defined(CONFIG_MIPS32_O32) +void mips_dump_regs32(u32 *uregs, const struct pt_regs *regs) +{ + unsigned int i; + + for (i = MIPS32_EF_R1; i <= MIPS32_EF_R31; i++) { + /* k0/k1 are copied as zero. */ + if (i == MIPS32_EF_R26 || i == MIPS32_EF_R27) + uregs[i] = 0; + else + uregs[i] = regs->regs[i - MIPS32_EF_R0]; + } + + uregs[MIPS32_EF_LO] = regs->lo; + uregs[MIPS32_EF_HI] = regs->hi; + uregs[MIPS32_EF_CP0_EPC] = regs->cp0_epc; + uregs[MIPS32_EF_CP0_BADVADDR] = regs->cp0_badvaddr; + uregs[MIPS32_EF_CP0_STATUS] = regs->cp0_status; + uregs[MIPS32_EF_CP0_CAUSE] = regs->cp0_cause; +} +#endif /* CONFIG_32BIT || CONFIG_MIPS32_O32 */ + +#ifdef CONFIG_64BIT +void mips_dump_regs64(u64 *uregs, const struct pt_regs *regs) +{ + unsigned int i; + + for (i = MIPS64_EF_R1; i <= MIPS64_EF_R31; i++) { + /* k0/k1 are copied as zero. */ + if (i == MIPS64_EF_R26 || i == MIPS64_EF_R27) + uregs[i] = 0; + else + uregs[i] = regs->regs[i - MIPS64_EF_R0]; + } + + uregs[MIPS64_EF_LO] = regs->lo; + uregs[MIPS64_EF_HI] = regs->hi; + uregs[MIPS64_EF_CP0_EPC] = regs->cp0_epc; + uregs[MIPS64_EF_CP0_BADVADDR] = regs->cp0_badvaddr; + uregs[MIPS64_EF_CP0_STATUS] = regs->cp0_status; + uregs[MIPS64_EF_CP0_CAUSE] = regs->cp0_cause; +} +#endif /* CONFIG_64BIT */ |