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authorAlex Auvolat <alex.auvolat@ens.fr>2015-02-19 18:25:29 +0100
committerAlex Auvolat <alex.auvolat@ens.fr>2015-02-19 18:25:29 +0100
commit277b329c5609b8172ad0c142117edfa9a08279da (patch)
tree23dc957e64e5b67e61072516bea30d650ffcefdd /src/lib/libkogata/syscall.c
parent408faed4df730384538aaa0e338ae8ea7abe400d (diff)
downloadkogata-277b329c5609b8172ad0c142117edfa9a08279da.tar.gz
kogata-277b329c5609b8172ad0c142117edfa9a08279da.zip
Implement basic syscalls...
Diffstat (limited to 'src/lib/libkogata/syscall.c')
-rw-r--r--src/lib/libkogata/syscall.c43
1 files changed, 42 insertions, 1 deletions
diff --git a/src/lib/libkogata/syscall.c b/src/lib/libkogata/syscall.c
index 8d24628..008a2a9 100644
--- a/src/lib/libkogata/syscall.c
+++ b/src/lib/libkogata/syscall.c
@@ -4,7 +4,7 @@
#include <string.h>
#include <printf.h>
-static uint32_t call(uint32_t a, uint32_t b, uint32_t c, uint32_t d, uint32_t ss, uint32_t dd) {
+static inline uint32_t call(uint32_t a, uint32_t b, uint32_t c, uint32_t d, uint32_t ss, uint32_t dd) {
uint32_t ret;
asm volatile("int $0x40"
:"=a"(ret)
@@ -38,6 +38,9 @@ void exit(int code) {
bool mmap(void* addr, size_t size, int mode) {
return call(SC_MMAP, (uint32_t)addr, size, mode, 0, 0);
}
+bool mmap_file(fd_t file, size_t offset, void* addr, size_t size, int mode) {
+ return call(SC_MMAP_FILE, file, offset, (uint32_t)addr, size, mode);
+}
bool mchmap(void* addr, int mode) {
return call(SC_MCHMAP, (uint32_t)addr, mode, 0, 0, 0);
}
@@ -45,4 +48,42 @@ bool munmap(void* addr) {
return call(SC_MUNMAP, (uint32_t)addr, 0, 0, 0, 0);
}
+bool create(const char* name, int type) {
+ return call(SC_CREATE, (uint32_t)name, strlen(name), type, 0, 0);
+}
+bool delete(const char* name) {
+ return call(SC_CREATE, (uint32_t)name, strlen(name), 0, 0, 0);
+}
+bool move(const char* oldname, const char* newname) {
+ return call(SC_MOVE, (uint32_t)oldname, strlen(oldname), (uint32_t)newname, strlen(newname), 0);
+}
+bool stat(const char* name, stat_t *s) {
+ return call(SC_STAT, (uint32_t)name, strlen(name), (uint32_t)s, 0, 0);
+}
+int ioctl(const char* filename, int command, void* data) {
+ return call(SC_IOCTL, (uint32_t)filename, strlen(filename), command, (uint32_t)data, 0);
+}
+
+fd_t open(const char* name, int mode) {
+ return call(SC_OPEN, (uint32_t)name, strlen(name), mode, 0, 0);
+}
+void close(fd_t file) {
+ call(SC_CLOSE, file, 0, 0, 0, 0);
+}
+size_t read(fd_t file, size_t offset, size_t len, char *buf) {
+ return call(SC_READ, file, offset, len, (uint32_t)buf, 0);
+}
+size_t write(fd_t file, size_t offset, size_t len, const char* buf) {
+ return call(SC_WRITE, file, offset, len, (uint32_t)buf, 0);
+}
+bool readdir(fd_t file, dirent_t *d) {
+ return call(SC_READDIR, file, (uint32_t)d, 0, 0, 0);
+}
+bool stat_open(fd_t file, stat_t *s) {
+ return call(SC_STAT_OPEN, file, (uint32_t)s, 0, 0, 0);
+}
+int get_mode(fd_t file) {
+ return call(SC_GET_MODE, file, 0, 0, 0, 0);
+}
+
/* vim: set ts=4 sw=4 tw=0 noet :*/