root: Add launch syscall

1 files changed, 9 insertions, 3 deletions

diff --git a/src/root.zig b/src/root.zig
index 5063e4e..0fd09ad 100644
--- a/src/root.zig
+++ b/src/root.zig
@@ -11,7 +11,7 @@ const Result = struct {
     error_code: usize,
 };
 
-const Error = error{Kernel};
+const SyscallError = error{Kernel};
 
 fn ecall(number: usize, args: anytype) Result {
     comptime var registers = [max_args]usize{0};
@@ -45,12 +45,18 @@ pub fn errorName(code: u16, buffer: []u8) !usize {
         buffer.ptr,
         buffer.len,
     });
-    if (result.error_code != 0) return Error.Kernel;
+    if (result.error_code != 0) return SyscallError.Kernel;
     return result.value;
 }
 
 pub fn consoleWrite(bytes: []const u8) !usize {
     const result = ecall(100001, .{ bytes.ptr, bytes.len });
-    if (result.error_code != 0) return Error.Kernel;
+    if (result.error_code != 0) return SyscallError.Kernel;
+    return result.value;
+}
+
+pub fn launch(bytes: []align(@alignOf(std.elf.Elf64_Ehdr)) const u8) !usize {
+    const result = ecall(100002, .{ bytes.ptr, bytes.len });
+    if (result.error_code != 0) return SyscallError.Kernel;
     return result.value;
 }