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| author | Ralf Baechle <ralf@linux-mips.org> | 2005-05-31 15:49:19 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 22:31:17 +0400 |
| commit | e50c0a8fa60da9ac0e0a70caa8a3a803815c1f2f (patch) | |
| tree | 1928e8b0a4b7fb615e5a9f65dc934ba2e74cb9cd /include/asm-mips/processor.h | |
| parent | 10f650db1bcc193ea07d4f8c2f07315da38ea0c4 (diff) | |
| download | linux-e50c0a8fa60da9ac0e0a70caa8a3a803815c1f2f.tar.xz | |
Support the MIPS32 / MIPS64 DSP ASE.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/processor.h')
| -rw-r--r-- | include/asm-mips/processor.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h index d6466aa09fb7..f1980c6c3bcc 100644 --- a/include/asm-mips/processor.h +++ b/include/asm-mips/processor.h @@ -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, \ |