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authorRalf Baechle <ralf@linux-mips.org>2005-05-31 11:49:19 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:17 +0100
commite50c0a8fa60da9ac0e0a70caa8a3a803815c1f2f (patch)
tree1928e8b0a4b7fb615e5a9f65dc934ba2e74cb9cd /include/asm-mips/processor.h
parent10f650db1bcc193ea07d4f8c2f07315da38ea0c4 (diff)
downloadop-kernel-dev-e50c0a8fa60da9ac0e0a70caa8a3a803815c1f2f.zip
op-kernel-dev-e50c0a8fa60da9ac0e0a70caa8a3a803815c1f2f.tar.gz
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.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h
index d6466aa..f1980c6 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, \
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