application loading

1 files changed, 26 insertions, 0 deletions

diff --git a/include/mercury/syscall.hpp b/include/mercury/syscall.hpp
new file mode 100644
index 0000000..f434d91
--- /dev/null
+++ b/include/mercury/syscall.hpp
@@ -0,0 +1,26 @@
+#ifndef MERCURY_SYSCALL_HPP
+#define MERCURY_SYSCALL_HPP
+
+#include <cstdint>
+
+namespace mercury::syscall {
+
+  typedef uint32_t encoded_color;
+
+  struct [[gnu::packed]] color {
+    uint8_t r;
+    uint8_t g;
+    uint8_t b;
+  };
+
+  extern "C" encoded_color encode_color(color c);
+
+  extern "C" void get_framebuffer(encoded_color *&framebuffer_out,
+    uint32_t &width_out, uint32_t &height_out, uint32_t &pitch_out
+  );
+
+  extern "C" void draw_framebuffer();
+
+}
+
+#endif