diff options
| author | Kacper <kacper@mail.openlinux.dev> | 2025-12-22 23:27:56 +0100 |
|---|---|---|
| committer | Kacper <kacper@mail.openlinux.dev> | 2025-12-22 23:30:32 +0100 |
| commit | 0f30d227497418c6d3bef7d52244407e30454504 (patch) | |
| tree | 0e1ac19623d3268380cf74328cdf643648a2f43c /lib/libc/internal/arch/x86_64/tcb.c | |
| parent | 90dad97fc07f049383903a166631e2c257f9b8c1 (diff) | |
Added c11 threads, fixed some locks and add *_unlocked functions
Diffstat (limited to 'lib/libc/internal/arch/x86_64/tcb.c')
| -rw-r--r-- | lib/libc/internal/arch/x86_64/tcb.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libc/internal/arch/x86_64/tcb.c b/lib/libc/internal/arch/x86_64/tcb.c new file mode 100644 index 00000000..6e1f0c15 --- /dev/null +++ b/lib/libc/internal/arch/x86_64/tcb.c @@ -0,0 +1,13 @@ +#include <libc/tcb.h> + +__attribute__((__always_inline__)) void __libc_tcb_set(uint64_t tcb) +{ + __asm__ volatile("wrfsbase %0" ::"r"(tcb)); +} + +__attribute__((__always_inline__)) void *__libc_tcb_get(void) +{ + void *tcb; + __asm__ volatile("rdfsbase %0" : "=r"(tcb)); + return tcb; +} |
