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Add x86 32-bit support

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Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2019-01-13 11:03:04 -07:00
parent 4fe9645fa4
commit 89167b457f
2 changed files with 13 additions and 0 deletions
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3
src/barrier.h
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@@ -4,6 +4,9 @@
#if defined(__x86_64)
#define read_barrier() __asm__ __volatile__("lfence":::"memory")
#define write_barrier() __asm__ __volatile__("sfence":::"memory")
#elif defined(__i386__)
#define read_barrier() __asm__ __volatile__("": : :"memory")
#define write_barrier() __asm__ __volatile__("": : :"memory")
#else
/*
* Add arch appropriate definitions. Be safe and use full barriers for

10
src/syscall.c
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@@ -16,6 +16,16 @@
#ifndef __NR_sys_io_uring_register
#define __NR_sys_io_uring_register 337
#endif
#elif defined(__i386__)
#ifndef __NR_sys_io_uring_setup
#define __NR_sys_io_uring_setup 387
#endif
#ifndef __NR_sys_io_uring_enter
#define __NR_sys_io_uring_enter 388
#endif
#ifndef __NR_sys_io_uring_register
#define __NR_sys_io_uring_register 389
#endif
#else
#error "Arch not supported yet"
#endif