Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 1 | // Copyright 2014 The Go Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // +build linux |
| 6 | // +build ppc64 ppc64le |
| 7 | |
| 8 | // |
| 9 | // System calls and other sys.stuff for ppc64, Linux |
| 10 | // |
| 11 | |
| 12 | #include "go_asm.h" |
| 13 | #include "go_tls.h" |
| 14 | #include "textflag.h" |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 15 | #include "asm_ppc64x.h" |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 16 | |
| 17 | #define SYS_exit 1 |
| 18 | #define SYS_read 3 |
| 19 | #define SYS_write 4 |
| 20 | #define SYS_open 5 |
| 21 | #define SYS_close 6 |
| 22 | #define SYS_getpid 20 |
| 23 | #define SYS_kill 37 |
Dan Willemsen | d279748 | 2017-07-26 13:13:13 -0700 | [diff] [blame^] | 24 | #define SYS_brk 45 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 25 | #define SYS_fcntl 55 |
| 26 | #define SYS_gettimeofday 78 |
| 27 | #define SYS_select 82 // always return -ENOSYS |
| 28 | #define SYS_mmap 90 |
| 29 | #define SYS_munmap 91 |
| 30 | #define SYS_setitimer 104 |
| 31 | #define SYS_clone 120 |
| 32 | #define SYS_newselect 142 |
| 33 | #define SYS_sched_yield 158 |
| 34 | #define SYS_rt_sigreturn 172 |
| 35 | #define SYS_rt_sigaction 173 |
| 36 | #define SYS_rt_sigprocmask 174 |
| 37 | #define SYS_sigaltstack 185 |
| 38 | #define SYS_ugetrlimit 190 |
| 39 | #define SYS_madvise 205 |
| 40 | #define SYS_mincore 206 |
| 41 | #define SYS_gettid 207 |
| 42 | #define SYS_tkill 208 |
| 43 | #define SYS_futex 221 |
| 44 | #define SYS_sched_getaffinity 223 |
| 45 | #define SYS_exit_group 234 |
| 46 | #define SYS_epoll_create 236 |
| 47 | #define SYS_epoll_ctl 237 |
| 48 | #define SYS_epoll_wait 238 |
| 49 | #define SYS_clock_gettime 246 |
| 50 | #define SYS_epoll_create1 315 |
| 51 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 52 | TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0-4 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 53 | MOVW code+0(FP), R3 |
| 54 | SYSCALL $SYS_exit_group |
| 55 | RET |
| 56 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 57 | TEXT runtime·exit1(SB),NOSPLIT|NOFRAME,$0-4 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 58 | MOVW code+0(FP), R3 |
| 59 | SYSCALL $SYS_exit |
| 60 | RET |
| 61 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 62 | TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 63 | MOVD name+0(FP), R3 |
| 64 | MOVW mode+8(FP), R4 |
| 65 | MOVW perm+12(FP), R5 |
| 66 | SYSCALL $SYS_open |
| 67 | BVC 2(PC) |
| 68 | MOVW $-1, R3 |
| 69 | MOVW R3, ret+16(FP) |
| 70 | RET |
| 71 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 72 | TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 73 | MOVW fd+0(FP), R3 |
| 74 | SYSCALL $SYS_close |
| 75 | BVC 2(PC) |
| 76 | MOVW $-1, R3 |
| 77 | MOVW R3, ret+8(FP) |
| 78 | RET |
| 79 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 80 | TEXT runtime·write(SB),NOSPLIT|NOFRAME,$0-28 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 81 | MOVD fd+0(FP), R3 |
| 82 | MOVD p+8(FP), R4 |
| 83 | MOVW n+16(FP), R5 |
| 84 | SYSCALL $SYS_write |
| 85 | BVC 2(PC) |
| 86 | MOVW $-1, R3 |
| 87 | MOVW R3, ret+24(FP) |
| 88 | RET |
| 89 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 90 | TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0-28 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 91 | MOVW fd+0(FP), R3 |
| 92 | MOVD p+8(FP), R4 |
| 93 | MOVW n+16(FP), R5 |
| 94 | SYSCALL $SYS_read |
| 95 | BVC 2(PC) |
| 96 | MOVW $-1, R3 |
| 97 | MOVW R3, ret+24(FP) |
| 98 | RET |
| 99 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 100 | TEXT runtime·getrlimit(SB),NOSPLIT|NOFRAME,$0-20 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 101 | MOVW kind+0(FP), R3 |
| 102 | MOVD limit+8(FP), R4 |
| 103 | SYSCALL $SYS_ugetrlimit |
| 104 | MOVW R3, ret+16(FP) |
| 105 | RET |
| 106 | |
| 107 | TEXT runtime·usleep(SB),NOSPLIT,$16-4 |
| 108 | MOVW usec+0(FP), R3 |
| 109 | MOVD R3, R5 |
| 110 | MOVW $1000000, R4 |
| 111 | DIVD R4, R3 |
| 112 | MOVD R3, 8(R1) |
| 113 | MULLD R3, R4 |
| 114 | SUB R4, R5 |
| 115 | MOVD R5, 16(R1) |
| 116 | |
| 117 | // select(0, 0, 0, 0, &tv) |
| 118 | MOVW $0, R3 |
| 119 | MOVW $0, R4 |
| 120 | MOVW $0, R5 |
| 121 | MOVW $0, R6 |
| 122 | ADD $8, R1, R7 |
| 123 | SYSCALL $SYS_newselect |
| 124 | RET |
| 125 | |
| 126 | TEXT runtime·gettid(SB),NOSPLIT,$0-4 |
| 127 | SYSCALL $SYS_gettid |
| 128 | MOVW R3, ret+0(FP) |
| 129 | RET |
| 130 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 131 | TEXT runtime·raise(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 132 | SYSCALL $SYS_gettid |
| 133 | MOVW R3, R3 // arg 1 tid |
| 134 | MOVW sig+0(FP), R4 // arg 2 |
| 135 | SYSCALL $SYS_tkill |
| 136 | RET |
| 137 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 138 | TEXT runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 139 | SYSCALL $SYS_getpid |
| 140 | MOVW R3, R3 // arg 1 pid |
| 141 | MOVW sig+0(FP), R4 // arg 2 |
| 142 | SYSCALL $SYS_kill |
| 143 | RET |
| 144 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 145 | TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 146 | MOVW mode+0(FP), R3 |
| 147 | MOVD new+8(FP), R4 |
| 148 | MOVD old+16(FP), R5 |
| 149 | SYSCALL $SYS_setitimer |
| 150 | RET |
| 151 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 152 | TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 153 | MOVD addr+0(FP), R3 |
| 154 | MOVD n+8(FP), R4 |
| 155 | MOVD dst+16(FP), R5 |
| 156 | SYSCALL $SYS_mincore |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 157 | NEG R3 // caller expects negative errno |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 158 | MOVW R3, ret+24(FP) |
| 159 | RET |
| 160 | |
Dan Willemsen | d279748 | 2017-07-26 13:13:13 -0700 | [diff] [blame^] | 161 | // func walltime() (sec int64, nsec int32) |
| 162 | TEXT runtime·walltime(SB),NOSPLIT,$16 |
Dan Willemsen | ebae302 | 2017-01-13 23:01:08 -0800 | [diff] [blame] | 163 | MOVD $0, R3 // CLOCK_REALTIME |
| 164 | MOVD $0(R1), R4 |
| 165 | SYSCALL $SYS_clock_gettime |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 166 | MOVD 0(R1), R3 // sec |
Dan Willemsen | ebae302 | 2017-01-13 23:01:08 -0800 | [diff] [blame] | 167 | MOVD 8(R1), R5 // nsec |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 168 | MOVD R3, sec+0(FP) |
| 169 | MOVW R5, nsec+8(FP) |
| 170 | RET |
| 171 | |
| 172 | TEXT runtime·nanotime(SB),NOSPLIT,$16 |
| 173 | MOVW $1, R3 // CLOCK_MONOTONIC |
| 174 | MOVD $0(R1), R4 |
| 175 | SYSCALL $SYS_clock_gettime |
| 176 | MOVD 0(R1), R3 // sec |
| 177 | MOVD 8(R1), R5 // nsec |
| 178 | // sec is in R3, nsec in R5 |
| 179 | // return nsec in R3 |
| 180 | MOVD $1000000000, R4 |
| 181 | MULLD R4, R3 |
| 182 | ADD R5, R3 |
| 183 | MOVD R3, ret+0(FP) |
| 184 | RET |
| 185 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 186 | TEXT runtime·rtsigprocmask(SB),NOSPLIT|NOFRAME,$0-28 |
Dan Willemsen | ebae302 | 2017-01-13 23:01:08 -0800 | [diff] [blame] | 187 | MOVW how+0(FP), R3 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 188 | MOVD new+8(FP), R4 |
| 189 | MOVD old+16(FP), R5 |
| 190 | MOVW size+24(FP), R6 |
| 191 | SYSCALL $SYS_rt_sigprocmask |
| 192 | BVC 2(PC) |
Dan Willemsen | d279748 | 2017-07-26 13:13:13 -0700 | [diff] [blame^] | 193 | MOVD R0, 0xf0(R0) // crash |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 194 | RET |
| 195 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 196 | TEXT runtime·rt_sigaction(SB),NOSPLIT|NOFRAME,$0-36 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 197 | MOVD sig+0(FP), R3 |
| 198 | MOVD new+8(FP), R4 |
| 199 | MOVD old+16(FP), R5 |
| 200 | MOVD size+24(FP), R6 |
| 201 | SYSCALL $SYS_rt_sigaction |
| 202 | MOVW R3, ret+32(FP) |
| 203 | RET |
| 204 | |
| 205 | TEXT runtime·sigfwd(SB),NOSPLIT,$0-32 |
| 206 | MOVW sig+8(FP), R3 |
| 207 | MOVD info+16(FP), R4 |
| 208 | MOVD ctx+24(FP), R5 |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 209 | MOVD fn+0(FP), R12 |
| 210 | MOVD R12, CTR |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 211 | BL (CTR) |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 212 | MOVD 24(R1), R2 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 213 | RET |
| 214 | |
| 215 | #ifdef GOARCH_ppc64le |
| 216 | // ppc64le doesn't need function descriptors |
| 217 | TEXT runtime·sigtramp(SB),NOSPLIT,$64 |
| 218 | #else |
| 219 | // function descriptor for the real sigtramp |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 220 | TEXT runtime·sigtramp(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 221 | DWORD $runtime·_sigtramp(SB) |
| 222 | DWORD $0 |
| 223 | DWORD $0 |
| 224 | TEXT runtime·_sigtramp(SB),NOSPLIT,$64 |
| 225 | #endif |
| 226 | // initialize essential registers (just in case) |
| 227 | BL runtime·reginit(SB) |
| 228 | |
| 229 | // this might be called in external code context, |
| 230 | // where g is not set. |
| 231 | MOVB runtime·iscgo(SB), R6 |
| 232 | CMP R6, $0 |
| 233 | BEQ 2(PC) |
| 234 | BL runtime·load_g(SB) |
| 235 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 236 | MOVW R3, FIXED_FRAME+0(R1) |
| 237 | MOVD R4, FIXED_FRAME+8(R1) |
| 238 | MOVD R5, FIXED_FRAME+16(R1) |
| 239 | MOVD $runtime·sigtrampgo(SB), R12 |
| 240 | MOVD R12, CTR |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 241 | BL (CTR) |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 242 | MOVD 24(R1), R2 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 243 | RET |
| 244 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 245 | #ifdef GOARCH_ppc64le |
| 246 | // ppc64le doesn't need function descriptors |
| 247 | TEXT runtime·cgoSigtramp(SB),NOSPLIT,$0 |
| 248 | #else |
| 249 | // function descriptor for the real sigtramp |
| 250 | TEXT runtime·cgoSigtramp(SB),NOSPLIT|NOFRAME,$0 |
| 251 | DWORD $runtime·_cgoSigtramp(SB) |
| 252 | DWORD $0 |
| 253 | DWORD $0 |
| 254 | TEXT runtime·_cgoSigtramp(SB),NOSPLIT,$0 |
| 255 | #endif |
| 256 | MOVD $runtime·sigtramp(SB), R12 |
| 257 | MOVD R12, CTR |
| 258 | JMP (CTR) |
| 259 | |
| 260 | TEXT runtime·mmap(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 261 | MOVD addr+0(FP), R3 |
| 262 | MOVD n+8(FP), R4 |
| 263 | MOVW prot+16(FP), R5 |
| 264 | MOVW flags+20(FP), R6 |
| 265 | MOVW fd+24(FP), R7 |
| 266 | MOVW off+28(FP), R8 |
| 267 | |
| 268 | SYSCALL $SYS_mmap |
| 269 | MOVD R3, ret+32(FP) |
| 270 | RET |
| 271 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 272 | TEXT runtime·munmap(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 273 | MOVD addr+0(FP), R3 |
| 274 | MOVD n+8(FP), R4 |
| 275 | SYSCALL $SYS_munmap |
| 276 | BVC 2(PC) |
Dan Willemsen | d279748 | 2017-07-26 13:13:13 -0700 | [diff] [blame^] | 277 | MOVD R0, 0xf0(R0) |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 278 | RET |
| 279 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 280 | TEXT runtime·madvise(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 281 | MOVD addr+0(FP), R3 |
| 282 | MOVD n+8(FP), R4 |
| 283 | MOVW flags+16(FP), R5 |
| 284 | SYSCALL $SYS_madvise |
| 285 | // ignore failure - maybe pages are locked |
| 286 | RET |
| 287 | |
| 288 | // int64 futex(int32 *uaddr, int32 op, int32 val, |
| 289 | // struct timespec *timeout, int32 *uaddr2, int32 val2); |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 290 | TEXT runtime·futex(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 291 | MOVD addr+0(FP), R3 |
| 292 | MOVW op+8(FP), R4 |
| 293 | MOVW val+12(FP), R5 |
| 294 | MOVD ts+16(FP), R6 |
| 295 | MOVD addr2+24(FP), R7 |
| 296 | MOVW val3+32(FP), R8 |
| 297 | SYSCALL $SYS_futex |
| 298 | MOVW R3, ret+40(FP) |
| 299 | RET |
| 300 | |
| 301 | // int64 clone(int32 flags, void *stk, M *mp, G *gp, void (*fn)(void)); |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 302 | TEXT runtime·clone(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 303 | MOVW flags+0(FP), R3 |
| 304 | MOVD stk+8(FP), R4 |
| 305 | |
| 306 | // Copy mp, gp, fn off parent stack for use by child. |
| 307 | // Careful: Linux system call clobbers ???. |
Dan Willemsen | ebae302 | 2017-01-13 23:01:08 -0800 | [diff] [blame] | 308 | MOVD mp+16(FP), R7 |
| 309 | MOVD gp+24(FP), R8 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 310 | MOVD fn+32(FP), R12 |
| 311 | |
| 312 | MOVD R7, -8(R4) |
| 313 | MOVD R8, -16(R4) |
| 314 | MOVD R12, -24(R4) |
| 315 | MOVD $1234, R7 |
| 316 | MOVD R7, -32(R4) |
| 317 | |
| 318 | SYSCALL $SYS_clone |
| 319 | |
| 320 | // In parent, return. |
| 321 | CMP R3, $0 |
| 322 | BEQ 3(PC) |
| 323 | MOVW R3, ret+40(FP) |
| 324 | RET |
| 325 | |
| 326 | // In child, on new stack. |
| 327 | // initialize essential registers |
| 328 | BL runtime·reginit(SB) |
| 329 | MOVD -32(R1), R7 |
| 330 | CMP R7, $1234 |
| 331 | BEQ 2(PC) |
| 332 | MOVD R0, 0(R0) |
| 333 | |
| 334 | // Initialize m->procid to Linux tid |
| 335 | SYSCALL $SYS_gettid |
| 336 | |
| 337 | MOVD -24(R1), R12 // fn |
| 338 | MOVD -16(R1), R8 // g |
| 339 | MOVD -8(R1), R7 // m |
| 340 | |
| 341 | CMP R7, $0 |
| 342 | BEQ nog |
| 343 | CMP R8, $0 |
| 344 | BEQ nog |
| 345 | |
| 346 | MOVD R3, m_procid(R7) |
| 347 | |
| 348 | // TODO: setup TLS. |
| 349 | |
| 350 | // In child, set up new stack |
| 351 | MOVD R7, g_m(R8) |
| 352 | MOVD R8, g |
| 353 | //CALL runtime·stackcheck(SB) |
| 354 | |
| 355 | nog: |
| 356 | // Call fn |
| 357 | MOVD R12, CTR |
| 358 | BL (CTR) |
| 359 | |
| 360 | // It shouldn't return. If it does, exit that thread. |
| 361 | MOVW $111, R3 |
| 362 | SYSCALL $SYS_exit |
| 363 | BR -2(PC) // keep exiting |
| 364 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 365 | TEXT runtime·sigaltstack(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 366 | MOVD new+0(FP), R3 |
| 367 | MOVD old+8(FP), R4 |
| 368 | SYSCALL $SYS_sigaltstack |
| 369 | BVC 2(PC) |
Dan Willemsen | d279748 | 2017-07-26 13:13:13 -0700 | [diff] [blame^] | 370 | MOVD R0, 0xf0(R0) // crash |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 371 | RET |
| 372 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 373 | TEXT runtime·osyield(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 374 | SYSCALL $SYS_sched_yield |
| 375 | RET |
| 376 | |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 377 | TEXT runtime·sched_getaffinity(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 378 | MOVD pid+0(FP), R3 |
| 379 | MOVD len+8(FP), R4 |
| 380 | MOVD buf+16(FP), R5 |
| 381 | SYSCALL $SYS_sched_getaffinity |
| 382 | MOVW R3, ret+24(FP) |
| 383 | RET |
| 384 | |
| 385 | // int32 runtime·epollcreate(int32 size); |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 386 | TEXT runtime·epollcreate(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 387 | MOVW size+0(FP), R3 |
| 388 | SYSCALL $SYS_epoll_create |
| 389 | MOVW R3, ret+8(FP) |
| 390 | RET |
| 391 | |
| 392 | // int32 runtime·epollcreate1(int32 flags); |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 393 | TEXT runtime·epollcreate1(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 394 | MOVW flags+0(FP), R3 |
| 395 | SYSCALL $SYS_epoll_create1 |
| 396 | MOVW R3, ret+8(FP) |
| 397 | RET |
| 398 | |
| 399 | // func epollctl(epfd, op, fd int32, ev *epollEvent) int |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 400 | TEXT runtime·epollctl(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 401 | MOVW epfd+0(FP), R3 |
| 402 | MOVW op+4(FP), R4 |
| 403 | MOVW fd+8(FP), R5 |
| 404 | MOVD ev+16(FP), R6 |
| 405 | SYSCALL $SYS_epoll_ctl |
| 406 | MOVW R3, ret+24(FP) |
| 407 | RET |
| 408 | |
| 409 | // int32 runtime·epollwait(int32 epfd, EpollEvent *ev, int32 nev, int32 timeout); |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 410 | TEXT runtime·epollwait(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 411 | MOVW epfd+0(FP), R3 |
| 412 | MOVD ev+8(FP), R4 |
| 413 | MOVW nev+16(FP), R5 |
| 414 | MOVW timeout+20(FP), R6 |
| 415 | SYSCALL $SYS_epoll_wait |
| 416 | MOVW R3, ret+24(FP) |
| 417 | RET |
| 418 | |
| 419 | // void runtime·closeonexec(int32 fd); |
Dan Willemsen | 38f2dba | 2016-07-08 14:54:35 -0700 | [diff] [blame] | 420 | TEXT runtime·closeonexec(SB),NOSPLIT|NOFRAME,$0 |
Dan Willemsen | 09eb3b1 | 2015-09-16 14:34:17 -0700 | [diff] [blame] | 421 | MOVW fd+0(FP), R3 // fd |
| 422 | MOVD $2, R4 // F_SETFD |
| 423 | MOVD $1, R5 // FD_CLOEXEC |
| 424 | SYSCALL $SYS_fcntl |
| 425 | RET |
Dan Willemsen | d279748 | 2017-07-26 13:13:13 -0700 | [diff] [blame^] | 426 | |
| 427 | // func sbrk0() uintptr |
| 428 | TEXT runtime·sbrk0(SB),NOSPLIT|NOFRAME,$0 |
| 429 | // Implemented as brk(NULL). |
| 430 | MOVD $0, R3 |
| 431 | SYSCALL $SYS_brk |
| 432 | MOVD R3, ret+0(FP) |
| 433 | RET |