diff options
| author | Guo Ren <ren_guo@c-sky.com> | 2018-12-31 15:17:48 +0800 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2018-12-31 22:57:27 +0800 |
| commit | 789154c2ad74c29c3c60c5136c1785745abe4897 (patch) | |
| tree | f844b0a765ac5d5d2b027fc5b7e7ed9b4936db0b /arch/csky/include | |
| parent | 31295a72b525721d10737260aea6918fb34607be (diff) | |
| download | linux-789154c2ad74c29c3c60c5136c1785745abe4897.tar.bz2 | |
csky: fixup save hi,lo,dspcr regs in switch_stack.
HI, LO, DSPCR registers are 807/810 related regs and no need for 610/860.
All of the regs must be saved in pt_regs and switch_stack. This patch
fixup saving dspcr reg in switch_stack and pt_regs.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Diffstat (limited to 'arch/csky/include')
| -rw-r--r-- | arch/csky/include/asm/processor.h | 3 | ||||
| -rw-r--r-- | arch/csky/include/uapi/asm/ptrace.h | 39 |
2 files changed, 2 insertions, 40 deletions
diff --git a/arch/csky/include/asm/processor.h b/arch/csky/include/asm/processor.h index b1748659b2e9..5ac3f3227294 100644 --- a/arch/csky/include/asm/processor.h +++ b/arch/csky/include/asm/processor.h @@ -11,6 +11,7 @@ #include <asm/cache.h> #include <abi/reg_ops.h> #include <abi/regdef.h> +#include <abi/switch_context.h> #ifdef CONFIG_CPU_HAS_FPU #include <abi/fpu.h> #endif @@ -50,8 +51,6 @@ struct thread_struct { unsigned long ksp; /* kernel stack pointer */ unsigned long sr; /* saved status register */ unsigned long esp0; /* points to SR of stack frame */ - unsigned long hi; - unsigned long lo; /* Other stuff associated with the thread. */ unsigned long address; /* Last user fault */ diff --git a/arch/csky/include/uapi/asm/ptrace.h b/arch/csky/include/uapi/asm/ptrace.h index f10d02c8b09e..a4eaa8ddf0b1 100644 --- a/arch/csky/include/uapi/asm/ptrace.h +++ b/arch/csky/include/uapi/asm/ptrace.h @@ -36,7 +36,7 @@ struct pt_regs { unsigned long rhi; unsigned long rlo; - unsigned long pad; /* reserved */ + unsigned long dcsr; #endif }; @@ -48,43 +48,6 @@ struct user_fp { unsigned long reserved; }; -/* - * Switch stack for switch_to after push pt_regs. - * - * ABI_CSKYV2: r4 ~ r11, r15 ~ r17, r26 ~ r30; - * ABI_CSKYV1: r8 ~ r14, r15; - */ -struct switch_stack { -#if defined(__CSKYABIV2__) - unsigned long r4; - unsigned long r5; - unsigned long r6; - unsigned long r7; - unsigned long r8; - unsigned long r9; - unsigned long r10; - unsigned long r11; -#else - unsigned long r8; - unsigned long r9; - unsigned long r10; - unsigned long r11; - unsigned long r12; - unsigned long r13; - unsigned long r14; -#endif - unsigned long r15; -#if defined(__CSKYABIV2__) - unsigned long r16; - unsigned long r17; - unsigned long r26; - unsigned long r27; - unsigned long r28; - unsigned long r29; - unsigned long r30; -#endif -}; - #ifdef __KERNEL__ #define PS_S 0x80000000 /* Supervisor Mode */ |