diff options
Diffstat (limited to 'lib/mlibc/sysdeps/dripos/generic/generic.cpp')
-rw-r--r-- | lib/mlibc/sysdeps/dripos/generic/generic.cpp | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/lib/mlibc/sysdeps/dripos/generic/generic.cpp b/lib/mlibc/sysdeps/dripos/generic/generic.cpp deleted file mode 100644 index 89203c3..0000000 --- a/lib/mlibc/sysdeps/dripos/generic/generic.cpp +++ /dev/null @@ -1,298 +0,0 @@ -#include <bits/ensure.h> -#include <mlibc/debug.hpp> -#include <mlibc/all-sysdeps.hpp> -#include <mlibc/thread-entry.hpp> -#include <errno.h> -#include <dirent.h> -#include <fcntl.h> -#include <limits.h> - -namespace mlibc { - -void sys_libc_log(const char *message) { - unsigned long res; - asm volatile ("syscall" : "=a"(res) - : "a"(50), "D"(message) - : "rcx", "r11", "rdx"); -} - -void sys_libc_panic() { - mlibc::infoLogger() << "\e[31mmlibc: panic!" << frg::endlog; - asm volatile ("syscall" : - : "a"(12), "D"(1) - : "rcx", "r11", "rdx"); -} - -int sys_tcb_set(void *pointer) { - int res; - asm volatile ("syscall" : "=a"(res) - : "a"(300), "D"(pointer) - : "rcx", "r11", "rdx"); - return res; -} - -int sys_anon_allocate(size_t size, void **pointer) { - void *ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(9), "D"(0), "S"(size) - : "rcx", "r11"); - - if (!ret) - return sys_errno; - - *pointer = ret; - return 0; -} - -int sys_anon_free(void *pointer, size_t size) { - int unused_return; - int sys_errno; - - asm volatile ("syscall" - : "=a"(unused_return), "=d"(sys_errno) - : "a"(11), "D"(pointer), "S"(size) - : "rcx", "r11"); - - if (unused_return) - return sys_errno; - - return 0; -} - -#ifndef MLIBC_BUILDING_RTDL -void sys_exit(int status) { - asm volatile ("syscall" : - : "a"(12), "D"(status) - : "rcx", "r11", "rdx"); -} -#endif - -#ifndef MLIBC_BUILDING_RTDL -int sys_clock_get(int clock, time_t *secs, long *nanos) { - return 0; -} -#endif - -int sys_open(const char *path, int flags, mode_t mode, int *fd) { - int ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(2), "D"(path), "S"(flags), "d"(0) - : "rcx", "r11"); - - if (ret == -1) - return sys_errno; - - *fd = ret; - return 0; -} - -int sys_close(int fd) { - int ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(3), "D"(fd) - : "rcx", "r11"); - - if (ret == -1) - return sys_errno; - - return 0; -} - -int sys_read(int fd, void *buf, size_t count, ssize_t *bytes_read) { - ssize_t ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(0), "D"(fd), "S"(buf), "d"(count) - : "rcx", "r11"); - - if (ret == -1) - return sys_errno; - - *bytes_read = ret; - return 0; -} - -#ifndef MLIBC_BUILDING_RTDL -int sys_write(int fd, const void *buf, size_t count, ssize_t *bytes_written) { - ssize_t ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(1), "D"(fd), "S"(buf), "d"(count) - : "rcx", "r11"); - - if (ret == -1) - return sys_errno; - - *bytes_written = ret; - return 0; -} -#endif - - -int sys_seek(int fd, off_t offset, int whence, off_t *new_offset) { - off_t ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(8), "D"(fd), "S"(offset), "d"(whence) - : "rcx", "r11"); - - if (ret == -1) - return sys_errno; - - *new_offset = ret; - return 0; -} - -int sys_vm_map(void *hint, size_t size, int prot, int flags, - int fd, off_t offset, void **window) { - __ensure(flags & MAP_ANONYMOUS); - void *ret; - int sys_errno; - - // mlibc::infoLogger() << "calling sys_vm_map with size: " << size << frg::endlog; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(9), "D"(hint), "S"(size) - : "rcx", "r11"); - - if (!ret) - return sys_errno; - - *window = ret; - - return 0; -} - -int sys_vm_unmap(void *pointer, size_t size) { - return sys_anon_free(pointer, size); -} - -int sys_futex_wait(int *pointer, int expected, const struct timespec *time) { - uint64_t err; - asm volatile ("syscall" - : "=d"(err) - : "a"(66), "D"(pointer), "S"(expected) - : "rcx", "r11"); - - if (err) { - return -1; - } - - return 0; -} - -int sys_futex_wake(int *pointer) { - uint64_t err; - asm volatile ("syscall" - : "=d"(err) - : "a"(65), "D"(pointer) - : "rcx", "r11"); - - if (err) { - return -1; - } - - return 0; -} - -// All remaining functions are disabled in ldso. -#ifndef MLIBC_BUILDING_RTDL - -int sys_clone(void *tcb, pid_t *tid_out, void *stack) { - int tid; - - asm volatile ("syscall" - : "=a"(tid) - : "a"(67), "D"(__mlibc_start_thread), "S"(stack), "d"(tcb) - : "rcx", "r11"); - - if (tid_out) - *tid_out = tid; - - return 0; -} - -void sys_thread_exit() { - asm volatile ("syscall" - : - : "a"(68) - : "rcx", "r11"); - __builtin_trap(); -} - -int sys_sleep(time_t *secs, long *nanos) { - long ms = (*nanos / 1000000) + (*secs * 1000); - asm volatile ("syscall" - : - : "a"(6), "D"(ms) - : "rcx", "r11"); - *secs = 0; - *nanos = 0; - return 0; -} - -int sys_fork(pid_t *child) { - pid_t ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(57) - : "rcx", "r11"); - - if (ret == -1) - return sys_errno; - - *child = ret; - return 0; -} - -int sys_execve(const char *path, char *const argv[], char *const envp[]) { - int ret; - int sys_errno; - - asm volatile ("syscall" - : "=a"(ret), "=d"(sys_errno) - : "a"(59), "D"(path), "S"(argv), "d"(envp) - : "rcx", "r11"); - - if (sys_errno != 0) - return sys_errno; - - return 0; -} - -pid_t sys_getpid() { - pid_t pid; - asm volatile ("syscall" : "=a"(pid) - : "a"(5) - : "rcx", "r11", "rdx"); - return pid; -} -pid_t sys_getppid() { - pid_t ppid; - asm volatile ("syscall" : "=a"(ppid) - : "a"(14) - : "rcx", "r11", "rdx"); - return ppid; -} - -#endif // MLIBC_BUILDING_RTDL - -} // namespace mlibc |