diff options
Diffstat (limited to 'include/asm-mips/processor.h')
| -rw-r--r-- | include/asm-mips/processor.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h index 13c54d5b3b48..f1980c6c3bcc 100644 --- a/include/asm-mips/processor.h +++ b/include/asm-mips/processor.h @@ -33,7 +33,7 @@ extern void (*cpu_wait)(void); extern unsigned int vced_count, vcei_count; -#ifdef CONFIG_MIPS32 +#ifdef CONFIG_32BIT /* * User space process size: 2GB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. @@ -47,7 +47,7 @@ extern unsigned int vced_count, vcei_count; #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) #endif -#ifdef CONFIG_MIPS64 +#ifdef CONFIG_64BIT /* * User space process size: 1TB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. TASK_SIZE @@ -96,12 +96,26 @@ union mips_fpu_union { {{0,},} \ } +#define NUM_DSP_REGS 6 + +typedef __u32 dspreg_t; + +struct mips_dsp_state { + dspreg_t dspr[NUM_DSP_REGS]; + unsigned int dspcontrol; + unsigned short used_dsp; +}; + +#define INIT_DSP {{0,},} + typedef struct { unsigned long seg; } mm_segment_t; #define ARCH_MIN_TASKALIGN 8 +struct mips_abi; + /* * If you change thread_struct remember to change the #defines below too! */ @@ -117,6 +131,9 @@ struct thread_struct { /* Saved fpu/fpu emulator stuff. */ union mips_fpu_union fpu; + /* Saved state of the DSP ASE, if available. */ + struct mips_dsp_state dsp; + /* Other stuff associated with the thread. */ unsigned long cp0_badvaddr; /* Last user fault */ unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */ @@ -129,6 +146,7 @@ struct thread_struct { unsigned long mflags; unsigned long irix_trampoline; /* Wheee... */ unsigned long irix_oldctx; + struct mips_abi *abi; }; #define MF_ABI_MASK (MF_32BIT_REGS | MF_32BIT_ADDR) @@ -151,6 +169,10 @@ struct thread_struct { */ \ INIT_FPU, \ /* \ + * saved dsp/dsp emulator stuff \ + */ \ + INIT_DSP, \ + /* \ * Other stuff associated with the process \ */ \ 0, 0, 0, 0, \ |