syscall.sh / riscv64 / membarrier
membarrier
issue memory barriers on a set of threads
sys_membarrier(int cmd, unsigned int flags, int cpu_id)| number | 283 (0x11b) |
|---|---|
| abi | common |
| entry point | sys_membarrier |
| since | Linux 4.15 |
| man page | membarrier(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
a7 | 283, the syscall number |
a0 | int cmd |
a1 | unsigned int flags |
a2 | int cpu_id |
a0 | the return value |
Then run ecall to enter the kernel.
Same syscall on other architectures
- x64 324
- x86 375
- arm64 283
- arm 389
- x32 1073742148
- loongarch64 283
- ppc64 365
- ppc 365
- s390x 356
- mips64 5318
- mipsn32 6322
- mipso32 4358
- alpha 517
- arc 283
- csky 283
- hexagon 283
- m68k 374
- microblaze 390
- nios2 283
- openrisc 283
- parisc 343
- sh 378
- sparc 351
- sparc64 351
- xtensa 343
Get this as JSON: https://api.syscall.sh/v2/syscalls/riscv64/membarrier