diff options
Diffstat (limited to 'arch/mips/include/asm')
-rw-r--r-- | arch/mips/include/asm/mipsregs.h | 164 |
1 files changed, 37 insertions, 127 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index ac70613fd3b8..23d96f814814 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1930,14 +1930,40 @@ do { \ * Macros to access the guest system control coprocessor */ -#ifdef TOOLCHAIN_SUPPORTS_VIRT +#ifndef TOOLCHAIN_SUPPORTS_VIRT +_ASM_MACRO_2R_1S(mfgc0, rt, rs, sel, + _ASM_INSN_IF_MIPS(0x40600000 | __rt << 16 | __rs << 11 | \\sel) + _ASM_INSN32_IF_MM(0x000004fc | __rt << 21 | __rs << 16 | \\sel << 11)); +_ASM_MACRO_2R_1S(dmfgc0, rt, rs, sel, + _ASM_INSN_IF_MIPS(0x40600100 | __rt << 16 | __rs << 11 | \\sel) + _ASM_INSN32_IF_MM(0x580004fc | __rt << 21 | __rs << 16 | \\sel << 11)); +_ASM_MACRO_2R_1S(mtgc0, rt, rd, sel, + _ASM_INSN_IF_MIPS(0x40600200 | __rt << 16 | __rd << 11 | \\sel) + _ASM_INSN32_IF_MM(0x000006fc | __rt << 21 | __rd << 16 | \\sel << 11)); +_ASM_MACRO_2R_1S(dmtgc0, rt, rd, sel, + _ASM_INSN_IF_MIPS(0x40600300 | __rt << 16 | __rd << 11 | \\sel) + _ASM_INSN32_IF_MM(0x580006fc | __rt << 21 | __rd << 16 | \\sel << 11)); +_ASM_MACRO_0(tlbgp, _ASM_INSN_IF_MIPS(0x42000010) + _ASM_INSN32_IF_MM(0x0000017c)); +_ASM_MACRO_0(tlbgr, _ASM_INSN_IF_MIPS(0x42000009) + _ASM_INSN32_IF_MM(0x0000117c)); +_ASM_MACRO_0(tlbgwi, _ASM_INSN_IF_MIPS(0x4200000a) + _ASM_INSN32_IF_MM(0x0000217c)); +_ASM_MACRO_0(tlbgwr, _ASM_INSN_IF_MIPS(0x4200000e) + _ASM_INSN32_IF_MM(0x0000317c)); +_ASM_MACRO_0(tlbginvf, _ASM_INSN_IF_MIPS(0x4200000c) + _ASM_INSN32_IF_MM(0x0000517c)); +#define _ASM_SET_VIRT "" +#else /* !TOOLCHAIN_SUPPORTS_VIRT */ +#define _ASM_SET_VIRT ".set\tvirt\n\t" +#endif #define __read_32bit_gc0_register(source, sel) \ ({ int __res; \ __asm__ __volatile__( \ ".set\tpush\n\t" \ ".set\tmips32r2\n\t" \ - ".set\tvirt\n\t" \ + _ASM_SET_VIRT \ "mfgc0\t%0, $%1, %2\n\t" \ ".set\tpop" \ : "=r" (__res) \ @@ -1950,8 +1976,8 @@ do { \ __asm__ __volatile__( \ ".set\tpush\n\t" \ ".set\tmips64r2\n\t" \ - ".set\tvirt\n\t" \ - "dmfgc0\t%0, $%1, %2\n\t" \ + _ASM_SET_VIRT \ + "dmfgc0\t%0, $%1, %2\n\t" \ ".set\tpop" \ : "=r" (__res) \ : "i" (source), "i" (sel)); \ @@ -1963,7 +1989,7 @@ do { \ __asm__ __volatile__( \ ".set\tpush\n\t" \ ".set\tmips32r2\n\t" \ - ".set\tvirt\n\t" \ + _ASM_SET_VIRT \ "mtgc0\t%z0, $%1, %2\n\t" \ ".set\tpop" \ : : "Jr" ((unsigned int)(value)), \ @@ -1975,75 +2001,13 @@ do { \ __asm__ __volatile__( \ ".set\tpush\n\t" \ ".set\tmips64r2\n\t" \ - ".set\tvirt\n\t" \ + _ASM_SET_VIRT \ "dmtgc0\t%z0, $%1, %2\n\t" \ ".set\tpop" \ : : "Jr" (value), \ "i" (register), "i" (sel)); \ } while (0) -#else /* TOOLCHAIN_SUPPORTS_VIRT */ - -#define __read_32bit_gc0_register(source, sel) \ -({ int __res; \ - __asm__ __volatile__( \ - ".set\tpush\n\t" \ - ".set\tnoat\n\t" \ - "# mfgc0\t$1, $%1, %2\n\t" \ - _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2) \ - _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11) \ - "move\t%0, $1\n\t" \ - ".set\tpop" \ - : "=r" (__res) \ - : "i" (source), "i" (sel)); \ - __res; \ -}) - -#define __read_64bit_gc0_register(source, sel) \ -({ unsigned long long __res; \ - __asm__ __volatile__( \ - ".set\tpush\n\t" \ - ".set\tnoat\n\t" \ - "# dmfgc0\t$1, $%1, %2\n\t" \ - _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2) \ - _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11) \ - "move\t%0, $1\n\t" \ - ".set\tpop" \ - : "=r" (__res) \ - : "i" (source), "i" (sel)); \ - __res; \ -}) - -#define __write_32bit_gc0_register(register, sel, value) \ -do { \ - __asm__ __volatile__( \ - ".set\tpush\n\t" \ - ".set\tnoat\n\t" \ - "move\t$1, %z0\n\t" \ - "# mtgc0\t$1, $%1, %2\n\t" \ - _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2) \ - _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11) \ - ".set\tpop" \ - : : "Jr" ((unsigned int)(value)), \ - "i" (register), "i" (sel)); \ -} while (0) - -#define __write_64bit_gc0_register(register, sel, value) \ -do { \ - __asm__ __volatile__( \ - ".set\tpush\n\t" \ - ".set\tnoat\n\t" \ - "move\t$1, %z0\n\t" \ - "# dmtgc0\t$1, $%1, %2\n\t" \ - _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2) \ - _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11) \ - ".set\tpop" \ - : : "Jr" (value), \ - "i" (register), "i" (sel)); \ -} while (0) - -#endif /* !TOOLCHAIN_SUPPORTS_VIRT */ - #define __read_ulong_gc0_register(reg, sel) \ ((sizeof(unsigned long) == 4) ? \ (unsigned long) __read_32bit_gc0_register(reg, sel) : \ @@ -2681,8 +2645,6 @@ static inline void tlb_write_random(void) ".set reorder"); } -#ifdef TOOLCHAIN_SUPPORTS_VIRT - /* * Guest TLB operations. * @@ -2693,7 +2655,7 @@ static inline void guest_tlb_probe(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - ".set virt\n\t" + _ASM_SET_VIRT "tlbgp\n\t" ".set pop"); } @@ -2703,7 +2665,7 @@ static inline void guest_tlb_read(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - ".set virt\n\t" + _ASM_SET_VIRT "tlbgr\n\t" ".set pop"); } @@ -2713,7 +2675,7 @@ static inline void guest_tlb_write_indexed(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - ".set virt\n\t" + _ASM_SET_VIRT "tlbgwi\n\t" ".set pop"); } @@ -2723,7 +2685,7 @@ static inline void guest_tlb_write_random(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - ".set virt\n\t" + _ASM_SET_VIRT "tlbgwr\n\t" ".set pop"); } @@ -2736,63 +2698,11 @@ static inline void guest_tlbinvf(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - ".set virt\n\t" + _ASM_SET_VIRT "tlbginvf\n\t" ".set pop"); } -#else /* TOOLCHAIN_SUPPORTS_VIRT */ - -/* - * Guest TLB operations. - * - * It is responsibility of the caller to take care of any TLB hazards. - */ -static inline void guest_tlb_probe(void) -{ - __asm__ __volatile__( - "# tlbgp\n\t" - _ASM_INSN_IF_MIPS(0x42000010) - _ASM_INSN32_IF_MM(0x0000017c)); -} - -static inline void guest_tlb_read(void) -{ - __asm__ __volatile__( - "# tlbgr\n\t" - _ASM_INSN_IF_MIPS(0x42000009) - _ASM_INSN32_IF_MM(0x0000117c)); -} - -static inline void guest_tlb_write_indexed(void) -{ - __asm__ __volatile__( - "# tlbgwi\n\t" - _ASM_INSN_IF_MIPS(0x4200000a) - _ASM_INSN32_IF_MM(0x0000217c)); -} - -static inline void guest_tlb_write_random(void) -{ - __asm__ __volatile__( - "# tlbgwr\n\t" - _ASM_INSN_IF_MIPS(0x4200000e) - _ASM_INSN32_IF_MM(0x0000317c)); -} - -/* - * Guest TLB Invalidate Flush - */ -static inline void guest_tlbinvf(void) -{ - __asm__ __volatile__( - "# tlbginvf\n\t" - _ASM_INSN_IF_MIPS(0x4200000c) - _ASM_INSN32_IF_MM(0x0000517c)); -} - -#endif /* !TOOLCHAIN_SUPPORTS_VIRT */ - /* * Manipulate bits in a register. */ |