From 53a3d70e238e423f8543164c0d4c5d2db2e1adbd Mon Sep 17 00:00:00 2001 From: Freya Murphy Date: Sun, 27 Apr 2025 14:05:45 -0400 Subject: new syscalls --- user/include/unistd.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'user/include') diff --git a/user/include/unistd.h b/user/include/unistd.h index bbacdbe..f080917 100644 --- a/user/include/unistd.h +++ b/user/include/unistd.h @@ -169,4 +169,20 @@ extern void *sbrk(intptr_t increment); */ extern int poweroff(void); +/** + * Gets access to the "direct rendering manager" (framebuffer) + * + * @param fb - address of framebuffer + * @param width - returns the width of the framebuffer + * @param height - returns the height of the framebuffer + * @param bpp - returns the bit depth of the framebuffer + * @returns 0 on success, error code on failure + */ +extern int drm(void **fb, int *width, int *height, int *bbp); + +/** + * @returns number of ticks the system has been up for (1ms) + */ +extern uint64_t ticks(void); + #endif /* unistd.h */ -- cgit v1.2.3-freya