git: 201c1d0d25ee - main - kboot: sort system calls
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Date: Mon, 27 Jun 2022 20:57:46 UTC
The branch main has been updated by imp:
URL: https://cgit.FreeBSD.org/src/commit/?id=201c1d0d25ee5ac50092a7334b7ebfa238ce2c0f
commit 201c1d0d25ee5ac50092a7334b7ebfa238ce2c0f
Author: Warner Losh <imp@FreeBSD.org>
AuthorDate: 2022-06-13 17:39:55 +0000
Commit: Warner Losh <imp@FreeBSD.org>
CommitDate: 2022-06-27 20:54:45 +0000
kboot: sort system calls
Sort the system calls. No functional change intended.
Sponsored by: Netflix
---
stand/kboot/host_syscall.h | 34 ++++++++++++++--------
stand/kboot/host_syscalls.c | 69 ++++++++++++++++++++++++---------------------
2 files changed, 60 insertions(+), 43 deletions(-)
diff --git a/stand/kboot/host_syscall.h b/stand/kboot/host_syscall.h
index f6f22a736d53..b7861e1af6f1 100644
--- a/stand/kboot/host_syscall.h
+++ b/stand/kboot/host_syscall.h
@@ -32,13 +32,9 @@
long host_syscall(int number, ...);
-ssize_t host_read(int fd, void *buf, size_t nbyte);
-ssize_t host_write(int fd, const void *buf, size_t nbyte);
-int host_open(const char *path, int flags, int mode);
-ssize_t host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, int whence);
-int host_close(int fd);
-void *host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off);
-#define host_getmem(size) host_mmap(0, size, 3 /* RW */, 0x22 /* ANON */, -1, 0);
+/*
+ * Data types
+ */
struct old_utsname {
char sysname[65];
char nodename[65];
@@ -46,16 +42,32 @@ struct old_utsname {
char version[65];
char machine[65];
};
-int host_uname(struct old_utsname *);
+
struct host_timeval {
time_t tv_sec;
long tv_usec;
};
+
+/*
+ * System Calls
+ */
+int host_close(int fd);
+int host_getdents(int fd, void *dirp, int count);
int host_gettimeofday(struct host_timeval *a, void *b);
-int host_select(int nfds, long *readfds, long *writefds, long *exceptfds,
- struct host_timeval *timeout);
int kexec_load(uint32_t start, int nsegs, uint32_t segs);
+ssize_t host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, int whence);
+void *host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off);
+int host_open(const char *path, int flags, int mode);
+ssize_t host_read(int fd, void *buf, size_t nbyte);
int host_reboot(int, int, int, uintptr_t);
-int host_getdents(int fd, void *dirp, int count);
+int host_select(int nfds, long *readfds, long *writefds, long *exceptfds,
+ struct host_timeval *timeout);
+int host_uname(struct old_utsname *);
+ssize_t host_write(int fd, const void *buf, size_t nbyte);
+
+/*
+ * Wrappers / one-liners
+ */
+#define host_getmem(size) host_mmap(0, size, 3 /* RW */, 0x22 /* ANON */, -1, 0);
#endif
diff --git a/stand/kboot/host_syscalls.c b/stand/kboot/host_syscalls.c
index fd14095d7d68..3a5cdd7d8ea4 100644
--- a/stand/kboot/host_syscalls.c
+++ b/stand/kboot/host_syscalls.c
@@ -2,24 +2,33 @@
#include "syscall_nr.h"
#include <stand.h>
-ssize_t
-host_read(int fd, void *buf, size_t nbyte)
+/*
+ * Various trivial wrappers for Linux system calls. Please keep sorted
+ * alphabetically.
+ */
+
+int
+host_close(int fd)
{
- return host_syscall(SYS_read, fd, (uintptr_t)buf, nbyte);
- /* XXX original overrode errors */
+ return host_syscall(SYS_close, fd);
}
-ssize_t
-host_write(int fd, const void *buf, size_t nbyte)
+int
+host_getdents(int fd, void *dirp, int count)
{
- return host_syscall(SYS_write, fd, (uintptr_t)buf, nbyte);
+ return host_syscall(SYS_getdents, fd, (uintptr_t)dirp, count);
}
-
+
int
-host_open(const char *path, int flags, int mode)
+host_gettimeofday(struct host_timeval *a, void *b)
{
- return host_syscall(SYS_open, (uintptr_t)path, flags, mode);
- /* XXX original overrode errors */
+ return host_syscall(SYS_gettimeofday, (uintptr_t)a, (uintptr_t)b);
+}
+
+int
+kexec_load(uint32_t start, int nsegs, uint32_t segs)
+{
+ return host_syscall(SYS_kexec_load, start, nsegs, segs, KEXEC_ARCH << 16);
}
ssize_t
@@ -36,12 +45,6 @@ host_llseek(int fd, int32_t offset_high, int32_t offset_lo, uint64_t *result, in
#endif
}
-int
-host_close(int fd)
-{
- return host_syscall(SYS_close, fd);
-}
-
void *
host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off)
{
@@ -49,38 +52,40 @@ host_mmap(void *addr, size_t len, int prot, int flags, int fd, off_t off)
}
int
-host_uname(struct old_utsname *uts)
+host_open(const char *path, int flags, int mode)
{
- return host_syscall(SYS_uname, (uintptr_t)uts);
+ return host_syscall(SYS_open, (uintptr_t)path, flags, mode);
+ /* XXX original overrode errors */
}
-int
-host_gettimeofday(struct host_timeval *a, void *b)
+ssize_t
+host_read(int fd, void *buf, size_t nbyte)
{
- return host_syscall(SYS_gettimeofday, (uintptr_t)a, (uintptr_t)b);
+ return host_syscall(SYS_read, fd, (uintptr_t)buf, nbyte);
+ /* XXX original overrode errors */
}
int
-host_select(int nfds, long *readfds, long *writefds, long *exceptfds,
- struct host_timeval *timeout)
+host_reboot(int magic1, int magic2, int cmd, uintptr_t arg)
{
- return host_syscall(SYS_select, nfds, (uintptr_t)readfds, (uintptr_t)writefds, (uintptr_t)exceptfds, (uintptr_t)timeout, 0);
+ return host_syscall(SYS_reboot, magic1, magic2, cmd, arg);
}
int
-kexec_load(uint32_t start, int nsegs, uint32_t segs)
+host_select(int nfds, long *readfds, long *writefds, long *exceptfds,
+ struct host_timeval *timeout)
{
- return host_syscall(SYS_kexec_load, start, nsegs, segs, KEXEC_ARCH << 16);
+ return host_syscall(SYS_select, nfds, (uintptr_t)readfds, (uintptr_t)writefds, (uintptr_t)exceptfds, (uintptr_t)timeout, 0);
}
int
-host_reboot(int magic1, int magic2, int cmd, uintptr_t arg)
+host_uname(struct old_utsname *uts)
{
- return host_syscall(SYS_reboot, magic1, magic2, cmd, arg);
+ return host_syscall(SYS_uname, (uintptr_t)uts);
}
-int
-host_getdents(int fd, void *dirp, int count)
+ssize_t
+host_write(int fd, const void *buf, size_t nbyte)
{
- return host_syscall(SYS_getdents, fd, (uintptr_t)dirp, count);
+ return host_syscall(SYS_write, fd, (uintptr_t)buf, nbyte);
}