From 416ec07ea4d5f71f34eb82594a7398428e8225f9 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Tue, 20 Sep 2016 21:52:45 -0600
Subject: [PATCH] WIP: VESA driver. Make initfs generated by code

---
 src/flag.rs   | 11 +++++++----
 src/lib.rs    |  8 ++++++++
 src/number.rs |  2 ++
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/flag.rs b/src/flag.rs
index fa00558..5351384 100644
--- a/src/flag.rs
+++ b/src/flag.rs
@@ -14,14 +14,17 @@ pub const CLONE_SUPERVISE: usize = 0x400000;
 pub const CLOCK_REALTIME: usize = 1;
 pub const CLOCK_MONOTONIC: usize = 4;
 
-pub const MODE_DIR: u16 = 0x4000;
-pub const MODE_FILE: u16 = 0x8000;
-pub const MODE_ALL: u16 = MODE_DIR | MODE_FILE;
-
 pub const FUTEX_WAIT: usize = 0;
 pub const FUTEX_WAKE: usize = 1;
 pub const FUTEX_REQUEUE: usize = 2;
 
+pub const MAP_WRITE: usize = 1;
+pub const MAP_WRITE_COMBINE: usize = 2;
+
+pub const MODE_DIR: u16 = 0x4000;
+pub const MODE_FILE: u16 = 0x8000;
+pub const MODE_ALL: u16 = MODE_DIR | MODE_FILE;
+
 pub const SEEK_SET: usize = 0;
 pub const SEEK_CUR: usize = 1;
 pub const SEEK_END: usize = 2;
diff --git a/src/lib.rs b/src/lib.rs
index 099f61f..3acc70a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -110,6 +110,14 @@ pub fn open(path: &str, flags: usize) -> Result<usize> {
     unsafe { syscall3(SYS_OPEN, path.as_ptr() as usize, path.len(), flags) }
 }
 
+pub unsafe fn physmap(physical_address: usize, size: usize, flags: usize) -> Result<usize> {
+    syscall3(SYS_PHYSMAP, physical_address, size, flags)
+}
+
+pub unsafe fn physunmap(virtual_address: usize) -> Result<usize> {
+    syscall1(SYS_PHYSUNMAP, virtual_address)
+}
+
 pub fn pipe2(fds: &mut [usize; 2], flags: usize) -> Result<usize> {
     unsafe { syscall2(SYS_PIPE2, fds.as_ptr() as usize, flags) }
 }
diff --git a/src/number.rs b/src/number.rs
index e65c37f..80e7065 100644
--- a/src/number.rs
+++ b/src/number.rs
@@ -19,6 +19,8 @@ pub const SYS_LSEEK: usize = 19;
 pub const SYS_MKDIR: usize = 39;
 pub const SYS_NANOSLEEP: usize = 162;
 pub const SYS_OPEN: usize = 5;
+pub const SYS_PHYSMAP: usize = 945;
+pub const SYS_PHYSUNMAP: usize = 946;
 pub const SYS_PIPE2: usize = 331;
 pub const SYS_READ: usize = 3;
 pub const SYS_RMDIR: usize = 84;