syscall.sh / xtensa / pkey_alloc
pkey_alloc
allocate or free a protection key
sys_pkey_alloc(unsigned long flags, unsigned long init_val)| number | 349 (0x15d) |
|---|---|
| abi | common |
| entry point | sys_pkey_alloc |
| since | Linux 5.0 |
| man page | pkey_alloc(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
a2 | 349, the syscall number |
a6 | unsigned long flags |
a3 | unsigned long init_val |
a2 | the return value |
Then run syscall to enter the kernel.
Same syscall on other architectures
- x64 330
- x86 381
- arm64 289
- arm 395
- riscv64 289
- x32 1073742154
- loongarch64 289
- ppc64 384
- ppc 384
- s390x 385
- mips64 5324
- mipsn32 6328
- mipso32 4364
- alpha 525
- arc 289
- csky 289
- hexagon 289
- m68k 382
- microblaze 396
- nios2 289
- openrisc 289
- parisc 352
- sh 385
- sparc 363
- sparc64 363
Get this as JSON: https://api.syscall.sh/v2/syscalls/xtensa/pkey_alloc