initial commit

1 files changed, 218 insertions, 0 deletions

diff --git a/user/libsyscall/syscall.S b/user/libsyscall/syscall.S
new file mode 100644
index 0000000..d661cf8
--- /dev/null
+++ b/user/libsyscall/syscall.S
@@ -0,0 +1,218 @@
+#include <syscall_int.h>
+
+.global deschedule
+
+# int deschedule(int *flag);
+deschedule:
+    mov 0x4(%esp), %esi
+    int $DESCHEDULE_INT
+    ret
+
+.global exec
+
+# int exec(char *execname, char *argvec[]);
+exec:
+    mov 0x8(%esp), %esi
+    push %esi
+    mov 0x8(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $EXEC_INT
+    add $0x8, %esp
+    ret
+
+.global fork
+
+# int fork(void);
+fork:
+    int $FORK_INT
+    ret
+
+.global getchar
+
+getchar:
+    int $GETCHAR_INT
+    ret
+
+.global get_cursor_pos
+
+get_cursor_pos:
+    mov 0x8(%esp), %esi
+    push %esi
+    mov 0x8(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $GET_CURSOR_POS_INT
+    add $0x8, %esp
+    ret
+
+.global get_ticks
+
+get_ticks:
+    int $GET_TICKS_INT
+    ret
+
+.global gettid
+
+# int gettid(void);
+gettid:
+    int $GETTID_INT
+    ret
+
+.global halt
+
+halt:
+    int $HALT_INT
+    ret
+
+.global make_runnable
+
+make_runnable:
+    mov 0x4(%esp), %esi
+    int $MAKE_RUNNABLE_INT
+    ret
+
+.global misbehave
+
+misbehave:
+    mov 0x4(%esp), %esi
+    int $MISBEHAVE_INT
+    ret
+
+.global new_pages
+
+new_pages:
+    mov 0x8(%esp), %esi
+    push %esi
+    mov 0x8(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $NEW_PAGES_INT
+    add $0x8, %esp
+    ret
+
+.global print
+
+print:
+    mov 0x8(%esp), %esi
+    push %esi
+    mov 0x8(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $PRINT_INT
+    add $0x8, %esp
+    ret
+
+.global readfile
+
+readfile:
+    mov 0x10(%esp), %esi
+    push %esi
+    mov 0x10(%esp), %esi
+    push %esi
+    mov 0x10(%esp), %esi
+    push %esi
+    mov 0x10(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $READFILE_INT
+    add $0x10, %esp
+    ret
+
+.global readline
+
+readline:
+    mov 0x8(%esp), %esi
+    push %esi
+    mov 0x8(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $READLINE_INT
+    add $0x8, %esp
+    ret
+
+.global remove_pages
+
+remove_pages:
+    mov 0x4(%esp), %esi
+    int $REMOVE_PAGES_INT
+    ret
+
+.global set_cursor_pos
+
+set_cursor_pos:
+    mov 0x8(%esp), %esi
+    push %esi
+    mov 0x8(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $SET_CURSOR_POS_INT
+    add $0x8, %esp
+    ret
+
+.global set_status
+
+# void set_status(int status);
+set_status:
+    mov 0x4(%esp), %esi
+    int $SET_STATUS_INT
+    ret
+
+.global set_term_color
+
+set_term_color:
+    mov 0x4(%esp), %esi
+    int $SET_TERM_COLOR_INT
+    ret
+
+.global sleep
+
+sleep:
+    mov 0x4(%esp), %esi
+    int $SLEEP_INT
+    ret
+
+.global swexn
+
+swexn:
+    mov 0x10(%esp), %esi
+    push %esi
+    mov 0x10(%esp), %esi
+    push %esi
+    mov 0x10(%esp), %esi
+    push %esi
+    mov 0x10(%esp), %esi
+    push %esi
+    mov %esp, %esi
+    int $SWEXN_INT
+    add $0x10, %esp
+    ret
+
+.global task_vanish
+
+# void task_vanish(int status) NORETURN;
+task_vanish:
+    mov 0x4(%esp), %esi
+    int $TASK_VANISH_INT
+
+.global vanish
+
+# void vanish(void) NORETURN;
+vanish:
+    int $VANISH_INT
+
+.global wait
+
+# int wait(int *status_ptr);
+wait:
+    mov 0x4(%esp), %esi
+    int $WAIT_INT
+    ret
+
+.global yield
+
+# int yield(int pid);
+yield:
+    mov 0x4(%esp), %esi
+    int $YIELD_INT
+    ret