diff options
Diffstat (limited to 'include/asm-mips/futex.h')
| -rw-r--r-- | include/asm-mips/futex.h | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/include/asm-mips/futex.h b/include/asm-mips/futex.h index 12d118f1bc9c..1f94640becc4 100644 --- a/include/asm-mips/futex.h +++ b/include/asm-mips/futex.h | |||
| @@ -22,51 +22,53 @@ | |||
| 22 | " .set push \n" \ | 22 | " .set push \n" \ |
| 23 | " .set noat \n" \ | 23 | " .set noat \n" \ |
| 24 | " .set mips3 \n" \ | 24 | " .set mips3 \n" \ |
| 25 | "1: ll %1, (%3) # __futex_atomic_op \n" \ | 25 | "1: ll %1, %4 # __futex_atomic_op \n" \ |
| 26 | " .set mips0 \n" \ | 26 | " .set mips0 \n" \ |
| 27 | " " insn " \n" \ | 27 | " " insn " \n" \ |
| 28 | " .set mips3 \n" \ | 28 | " .set mips3 \n" \ |
| 29 | "2: sc $1, (%3) \n" \ | 29 | "2: sc $1, %2 \n" \ |
| 30 | " beqzl $1, 1b \n" \ | 30 | " beqzl $1, 1b \n" \ |
| 31 | __FUTEX_SMP_SYNC \ | 31 | __FUTEX_SMP_SYNC \ |
| 32 | "3: \n" \ | 32 | "3: \n" \ |
| 33 | " .set pop \n" \ | 33 | " .set pop \n" \ |
| 34 | " .set mips0 \n" \ | 34 | " .set mips0 \n" \ |
| 35 | " .section .fixup,\"ax\" \n" \ | 35 | " .section .fixup,\"ax\" \n" \ |
| 36 | "4: li %0, %5 \n" \ | 36 | "4: li %0, %6 \n" \ |
| 37 | " j 2b \n" \ | 37 | " j 2b \n" \ |
| 38 | " .previous \n" \ | 38 | " .previous \n" \ |
| 39 | " .section __ex_table,\"a\" \n" \ | 39 | " .section __ex_table,\"a\" \n" \ |
| 40 | " "__UA_ADDR "\t1b, 4b \n" \ | 40 | " "__UA_ADDR "\t1b, 4b \n" \ |
| 41 | " "__UA_ADDR "\t2b, 4b \n" \ | 41 | " "__UA_ADDR "\t2b, 4b \n" \ |
| 42 | " .previous \n" \ | 42 | " .previous \n" \ |
| 43 | : "=r" (ret), "=r" (oldval) \ | 43 | : "=r" (ret), "=&r" (oldval), "=R" (*uaddr) \ |
| 44 | : "0" (0), "r" (uaddr), "Jr" (oparg), "i" (-EFAULT)); \ | 44 | : "0" (0), "R" (*uaddr), "Jr" (oparg), "i" (-EFAULT) \ |
| 45 | : "memory"); \ | ||
| 45 | } else if (cpu_has_llsc) { \ | 46 | } else if (cpu_has_llsc) { \ |
| 46 | __asm__ __volatile__( \ | 47 | __asm__ __volatile__( \ |
| 47 | " .set push \n" \ | 48 | " .set push \n" \ |
| 48 | " .set noat \n" \ | 49 | " .set noat \n" \ |
| 49 | " .set mips3 \n" \ | 50 | " .set mips3 \n" \ |
| 50 | "1: ll %1, (%3) # __futex_atomic_op \n" \ | 51 | "1: ll %1, %4 # __futex_atomic_op \n" \ |
| 51 | " .set mips0 \n" \ | 52 | " .set mips0 \n" \ |
| 52 | " " insn " \n" \ | 53 | " " insn " \n" \ |
| 53 | " .set mips3 \n" \ | 54 | " .set mips3 \n" \ |
| 54 | "2: sc $1, (%3) \n" \ | 55 | "2: sc $1, %2 \n" \ |
| 55 | " beqz $1, 1b \n" \ | 56 | " beqz $1, 1b \n" \ |
| 56 | __FUTEX_SMP_SYNC \ | 57 | __FUTEX_SMP_SYNC \ |
| 57 | "3: \n" \ | 58 | "3: \n" \ |
| 58 | " .set pop \n" \ | 59 | " .set pop \n" \ |
| 59 | " .set mips0 \n" \ | 60 | " .set mips0 \n" \ |
| 60 | " .section .fixup,\"ax\" \n" \ | 61 | " .section .fixup,\"ax\" \n" \ |
| 61 | "4: li %0, %5 \n" \ | 62 | "4: li %0, %6 \n" \ |
| 62 | " j 2b \n" \ | 63 | " j 2b \n" \ |
| 63 | " .previous \n" \ | 64 | " .previous \n" \ |
| 64 | " .section __ex_table,\"a\" \n" \ | 65 | " .section __ex_table,\"a\" \n" \ |
| 65 | " "__UA_ADDR "\t1b, 4b \n" \ | 66 | " "__UA_ADDR "\t1b, 4b \n" \ |
| 66 | " "__UA_ADDR "\t2b, 4b \n" \ | 67 | " "__UA_ADDR "\t2b, 4b \n" \ |
| 67 | " .previous \n" \ | 68 | " .previous \n" \ |
| 68 | : "=r" (ret), "=r" (oldval) \ | 69 | : "=r" (ret), "=&r" (oldval), "=R" (*uaddr) \ |
| 69 | : "0" (0), "r" (uaddr), "Jr" (oparg), "i" (-EFAULT)); \ | 70 | : "0" (0), "R" (*uaddr), "Jr" (oparg), "i" (-EFAULT) \ |
| 71 | : "memory"); \ | ||
| 70 | } else \ | 72 | } else \ |
| 71 | ret = -ENOSYS; \ | 73 | ret = -ENOSYS; \ |
| 72 | } | 74 | } |
| @@ -89,23 +91,23 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) | |||
| 89 | 91 | ||
| 90 | switch (op) { | 92 | switch (op) { |
| 91 | case FUTEX_OP_SET: | 93 | case FUTEX_OP_SET: |
| 92 | __futex_atomic_op("move $1, %z4", ret, oldval, uaddr, oparg); | 94 | __futex_atomic_op("move $1, %z5", ret, oldval, uaddr, oparg); |
| 93 | break; | 95 | break; |
| 94 | 96 | ||
| 95 | case FUTEX_OP_ADD: | 97 | case FUTEX_OP_ADD: |
| 96 | __futex_atomic_op("addu $1, %1, %z4", | 98 | __futex_atomic_op("addu $1, %1, %z5", |
| 97 | ret, oldval, uaddr, oparg); | 99 | ret, oldval, uaddr, oparg); |
| 98 | break; | 100 | break; |
| 99 | case FUTEX_OP_OR: | 101 | case FUTEX_OP_OR: |
| 100 | __futex_atomic_op("or $1, %1, %z4", | 102 | __futex_atomic_op("or $1, %1, %z5", |
| 101 | ret, oldval, uaddr, oparg); | 103 | ret, oldval, uaddr, oparg); |
| 102 | break; | 104 | break; |
| 103 | case FUTEX_OP_ANDN: | 105 | case FUTEX_OP_ANDN: |
| 104 | __futex_atomic_op("and $1, %1, %z4", | 106 | __futex_atomic_op("and $1, %1, %z5", |
| 105 | ret, oldval, uaddr, ~oparg); | 107 | ret, oldval, uaddr, ~oparg); |
| 106 | break; | 108 | break; |
| 107 | case FUTEX_OP_XOR: | 109 | case FUTEX_OP_XOR: |
| 108 | __futex_atomic_op("xor $1, %1, %z4", | 110 | __futex_atomic_op("xor $1, %1, %z5", |
| 109 | ret, oldval, uaddr, oparg); | 111 | ret, oldval, uaddr, oparg); |
| 110 | break; | 112 | break; |
| 111 | default: | 113 | default: |