diff options
| author | Steven J. Hill <sjhill@mips.com> | 2012-12-07 04:53:52 +0100 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2013-02-17 00:15:24 +0100 |
| commit | 4cb764b4541fe9eacc237b6851198a4c8497b9c4 (patch) | |
| tree | dfe2c8bebfdb382ed7f380e3ee99335b9df6772b /arch | |
| parent | MIPS: dsp: Support toolchains without DSP ASE and microMIPS. (diff) | |
| download | linux-4cb764b4541fe9eacc237b6851198a4c8497b9c4.tar.xz linux-4cb764b4541fe9eacc237b6851198a4c8497b9c4.zip | |
MIPS: dsp: Simplify the DSP macros.
Simplify the DSP macros for vanilla (non-microMIPS) kernels and
toolchains that do not support the DSP ASEs.
Signed-off-by: Steven J. Hill <sjhill@mips.com>
Patchwork: http://patchwork.linux-mips.org/patch/4687/
Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 231 |
1 files changed, 30 insertions, 201 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 24417de673c5..9f47cda632ab 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1314,229 +1314,58 @@ do { \ : "r" (val), "i" (mask)); \ } while (0) -#define mfhi0() \ +#define _dsp_mfxxx(ins) \ ({ \ unsigned long __treg; \ \ __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mfhi %0, $ac0 \n" \ - " .word 0x00000810 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mfhi1() \ -({ \ - unsigned long __treg; \ - \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mfhi %0, $ac1 \n" \ - " .word 0x00200810 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mfhi2() \ -({ \ - unsigned long __treg; \ - \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mfhi %0, $ac2 \n" \ - " .word 0x00400810 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mfhi3() \ -({ \ - unsigned long __treg; \ - \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mfhi %0, $ac3 \n" \ - " .word 0x00600810 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mflo0() \ -({ \ - unsigned long __treg; \ - \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mflo %0, $ac0 \n" \ - " .word 0x00000812 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mflo1() \ -({ \ - unsigned long __treg; \ - \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mflo %0, $ac1 \n" \ - " .word 0x00200812 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mflo2() \ -({ \ - unsigned long __treg; \ - \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mflo %0, $ac2 \n" \ - " .word 0x00400812 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mflo3() \ -({ \ - unsigned long __treg; \ - \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " # mflo %0, $ac3 \n" \ - " .word 0x00600812 \n" \ - " move %0, $1 \n" \ - " .set pop \n" \ - : "=r" (__treg)); \ - __treg; \ -}) - -#define mthi0(x) \ -do { \ - __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ - " move $1, %0 \n" \ - " # mthi $1, $ac0 \n" \ - " .word 0x00200011 \n" \ + " .word (0x00000810 | %1) \n" \ + " move %0, $1 \n" \ " .set pop \n" \ - : \ - : "r" (x)); \ -} while (0) + : "=r" (__treg) \ + : "i" (ins)); \ + __treg; \ +}) -#define mthi1(x) \ +#define _dsp_mtxxx(val, ins) \ do { \ __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ " move $1, %0 \n" \ - " # mthi $1, $ac1 \n" \ - " .word 0x00200811 \n" \ + " .word (0x00200011 | %1) \n" \ " .set pop \n" \ : \ - : "r" (x)); \ + : "r" (val), "i" (ins)); \ } while (0) -#define mthi2(x) \ -do { \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " move $1, %0 \n" \ - " # mthi $1, $ac2 \n" \ - " .word 0x00201011 \n" \ - " .set pop \n" \ - : \ - : "r" (x)); \ -} while (0) +#define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002) +#define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000) -#define mthi3(x) \ -do { \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " move $1, %0 \n" \ - " # mthi $1, $ac3 \n" \ - " .word 0x00201811 \n" \ - " .set pop \n" \ - : \ - : "r" (x)); \ -} while (0) +#define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002)) +#define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000)) -#define mtlo0(x) \ -do { \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " move $1, %0 \n" \ - " # mtlo $1, $ac0 \n" \ - " .word 0x00200013 \n" \ - " .set pop \n" \ - : \ - : "r" (x)); \ -} while (0) +#define mflo0() _dsp_mflo(0) +#define mflo1() _dsp_mflo(1) +#define mflo2() _dsp_mflo(2) +#define mflo3() _dsp_mflo(3) -#define mtlo1(x) \ -do { \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " move $1, %0 \n" \ - " # mtlo $1, $ac1 \n" \ - " .word 0x00200813 \n" \ - " .set pop \n" \ - : \ - : "r" (x)); \ -} while (0) +#define mfhi0() _dsp_mfhi(0) +#define mfhi1() _dsp_mfhi(1) +#define mfhi2() _dsp_mfhi(2) +#define mfhi3() _dsp_mfhi(3) -#define mtlo2(x) \ -do { \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " move $1, %0 \n" \ - " # mtlo $1, $ac2 \n" \ - " .word 0x00201013 \n" \ - " .set pop \n" \ - : \ - : "r" (x)); \ -} while (0) +#define mtlo0(x) _dsp_mtlo(x, 0) +#define mtlo1(x) _dsp_mtlo(x, 1) +#define mtlo2(x) _dsp_mtlo(x, 2) +#define mtlo3(x) _dsp_mtlo(x, 3) -#define mtlo3(x) \ -do { \ - __asm__ __volatile__( \ - " .set push \n" \ - " .set noat \n" \ - " move $1, %0 \n" \ - " # mtlo $1, $ac3 \n" \ - " .word 0x00201813 \n" \ - " .set pop \n" \ - : \ - : "r" (x)); \ -} while (0) +#define mthi0(x) _dsp_mthi(x, 0) +#define mthi1(x) _dsp_mthi(x, 1) +#define mthi2(x) _dsp_mthi(x, 2) +#define mthi3(x) _dsp_mthi(x, 3) #endif /* CONFIG_CPU_MICROMIPS */ #endif |