diff options
| author | Dmitry Torokhov <[email protected]> | 2020-01-10 14:56:04 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <[email protected]> | 2020-01-10 14:56:04 -0800 |
| commit | 1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c (patch) | |
| tree | 2244894a9ea0c941a8f32e5f3d196b4ea0eae24b /arch/riscv/kernel/process.c | |
| parent | 643dd7416649bea2e8c61d8fdeeefb409a0ca5eb (diff) | |
| parent | c79f46a282390e0f5b306007bf7b11a46d529538 (diff) | |
Merge tag 'v5.5-rc5' into next
Sync up with mainline to get SPI "delay" API changes.
Diffstat (limited to 'arch/riscv/kernel/process.c')
| -rw-r--r-- | arch/riscv/kernel/process.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c index fb3a082362eb..95a3031e5c7c 100644 --- a/arch/riscv/kernel/process.c +++ b/arch/riscv/kernel/process.c @@ -7,6 +7,7 @@ * Copyright (C) 2017 SiFive */ +#include <linux/cpu.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/sched/task_stack.h> @@ -19,6 +20,7 @@ #include <asm/csr.h> #include <asm/string.h> #include <asm/switch_to.h> +#include <asm/thread_info.h> extern asmlinkage void ret_from_fork(void); extern asmlinkage void ret_from_kernel_thread(void); @@ -33,8 +35,8 @@ void show_regs(struct pt_regs *regs) { show_regs_print_info(KERN_DEFAULT); - pr_cont("sepc: " REG_FMT " ra : " REG_FMT " sp : " REG_FMT "\n", - regs->sepc, regs->ra, regs->sp); + pr_cont("epc: " REG_FMT " ra : " REG_FMT " sp : " REG_FMT "\n", + regs->epc, regs->ra, regs->sp); pr_cont(" gp : " REG_FMT " tp : " REG_FMT " t0 : " REG_FMT "\n", regs->gp, regs->tp, regs->t0); pr_cont(" t1 : " REG_FMT " t2 : " REG_FMT " s0 : " REG_FMT "\n", @@ -56,23 +58,23 @@ void show_regs(struct pt_regs *regs) pr_cont(" t5 : " REG_FMT " t6 : " REG_FMT "\n", regs->t5, regs->t6); - pr_cont("sstatus: " REG_FMT " sbadaddr: " REG_FMT " scause: " REG_FMT "\n", - regs->sstatus, regs->sbadaddr, regs->scause); + pr_cont("status: " REG_FMT " badaddr: " REG_FMT " cause: " REG_FMT "\n", + regs->status, regs->badaddr, regs->cause); } void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp) { - regs->sstatus = SR_SPIE; + regs->status = SR_PIE; if (has_fpu) { - regs->sstatus |= SR_FS_INITIAL; + regs->status |= SR_FS_INITIAL; /* * Restore the initial value to the FP register * before starting the user program. */ fstate_restore(current, regs); } - regs->sepc = pc; + regs->epc = pc; regs->sp = sp; set_fs(USER_DS); } @@ -108,7 +110,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, const register unsigned long gp __asm__ ("gp"); memset(childregs, 0, sizeof(struct pt_regs)); childregs->gp = gp; - childregs->sstatus = SR_SPP | SR_SPIE; /* Supervisor, irqs on */ + /* Supervisor/Machine, irqs on: */ + childregs->status = SR_PP | SR_PIE; p->thread.ra = (unsigned long)ret_from_kernel_thread; p->thread.s[0] = usp; /* fn */ |