diff options
Diffstat (limited to 'arch/mips/include/asm/mipsmtregs.h')
| -rw-r--r-- | arch/mips/include/asm/mipsmtregs.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h index 5b3cb8553e9..5f8052ce43b 100644 --- a/arch/mips/include/asm/mipsmtregs.h +++ b/arch/mips/include/asm/mipsmtregs.h @@ -36,6 +36,8 @@ #define read_c0_tcbind() __read_32bit_c0_register($2, 2) +#define write_c0_tchalt(val) __write_32bit_c0_register($2, 4, val) + #define read_c0_tccontext() __read_32bit_c0_register($2, 5) #define write_c0_tccontext(val) __write_32bit_c0_register($2, 5, val) @@ -176,6 +178,17 @@ #ifndef __ASSEMBLY__ +static inline unsigned core_nvpes(void) +{ + unsigned conf0; + + if (!cpu_has_mipsmt) + return 1; + + conf0 = read_c0_mvpconf0(); + return ((conf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1; +} + static inline unsigned int dvpe(void) { int res = 0; @@ -270,14 +283,14 @@ static inline void ehb(void) #define mftc0(rt,sel) \ ({ \ - unsigned long __res; \ + unsigned long __res; \ \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ " .set noat \n" \ - " # mftc0 $1, $" #rt ", " #sel " \n" \ - " .word 0x41000800 | (" #rt " << 16) | " #sel " \n" \ + " # mftc0 $1, $" #rt ", " #sel " \n" \ + " .word 0x41000800 | (" #rt " << 16) | " #sel " \n" \ " move %0, $1 \n" \ " .set pop \n" \ : "=r" (__res)); \ @@ -334,7 +347,7 @@ do { \ " .set noat \n" \ " move $1, %0 \n" \ " # mttc0 %0," #rd ", " #sel " \n" \ - " .word 0x41810000 | (" #rd " << 11) | " #sel " \n" \ + " .word 0x41810000 | (" #rd " << 11) | " #sel " \n" \ " .set pop \n" \ : \ : "r" (v)); \ |