diff options
| author | Warner Losh <imp@FreeBSD.org> | 2022-06-30 18:09:26 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2023-01-24 21:49:24 +0000 |
| commit | 6632ac6d8a842336cb032f53ad98061353708a48 (patch) | |
| tree | 750f484a1f3202a1ad4432309dbcad9c801b138f | |
| parent | 96ea167ec8d66974f510ea2514f1e77d4484cf34 (diff) | |
| download | src-6632ac6d8a842336cb032f53ad98061353708a48.tar.gz src-6632ac6d8a842336cb032f53ad98061353708a48.zip | |
kboot: Implement mkdir(2)
mkdir() may be needed early in boot to create missing
directories. Provide a syscall wrapper for it.
Sponsored by: Netflix
(cherry picked from commit a99d47bcaaf61eb869f5f04fa51fe38b19504ac4)
| -rw-r--r-- | stand/kboot/arch/amd64/syscall_nr.h | 1 | ||||
| -rw-r--r-- | stand/kboot/arch/powerpc64/syscall_nr.h | 1 | ||||
| -rw-r--r-- | stand/kboot/host_syscall.h | 1 | ||||
| -rw-r--r-- | stand/kboot/host_syscalls.c | 6 |
4 files changed, 9 insertions, 0 deletions
diff --git a/stand/kboot/arch/amd64/syscall_nr.h b/stand/kboot/arch/amd64/syscall_nr.h index 62deefe73539..b847b21efa88 100644 --- a/stand/kboot/arch/amd64/syscall_nr.h +++ b/stand/kboot/arch/amd64/syscall_nr.h @@ -5,6 +5,7 @@ #define SYS_gettimeofday 96 #define SYS_kexec_load 246 #define SYS_lseek 8 +#define SYS_mkdirat 258 #define SYS_mmap 9 #define SYS_munmap 11 #define SYS_newfstat 5 diff --git a/stand/kboot/arch/powerpc64/syscall_nr.h b/stand/kboot/arch/powerpc64/syscall_nr.h index d6678d9044d9..b86874b92e76 100644 --- a/stand/kboot/arch/powerpc64/syscall_nr.h +++ b/stand/kboot/arch/powerpc64/syscall_nr.h @@ -6,6 +6,7 @@ #define SYS_gettimeofday 78 #define SYS_kexec_load 268 #define SYS_llseek 140 +#define SYS_mkdirat 287 #define SYS_mmap 90 #define SYS_munmap 91 #define SYS_newfstat SYS_fstat diff --git a/stand/kboot/host_syscall.h b/stand/kboot/host_syscall.h index 10d4166514b9..76a5efb0a091 100644 --- a/stand/kboot/host_syscall.h +++ b/stand/kboot/host_syscall.h @@ -99,6 +99,7 @@ int host_getpid(void); int host_gettimeofday(struct host_timeval *a, void *b); int host_kexec_load(uint32_t start, int nsegs, uint32_t segs, uint32_t flags); ssize_t host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, int whence); +int host_mkdir(const char *, host_mode_t); void *host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off); int host_munmap(void *addr, size_t len); int host_open(const char *path, int flags, int mode); diff --git a/stand/kboot/host_syscalls.c b/stand/kboot/host_syscalls.c index 2fe4c599df82..99f5444eb469 100644 --- a/stand/kboot/host_syscalls.c +++ b/stand/kboot/host_syscalls.c @@ -63,6 +63,12 @@ host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, in #endif } +int +host_mkdir(const char *path, host_mode_t mode) +{ + return host_syscall(SYS_mkdirat, HOST_AT_FDCWD, (uintptr_t)path, mode); +} + void * host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off) { |