vm86: setup mem functions inside library

they are stolen from X server.

Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/src/lrmi/backend-vm86.c b/src/lrmi/backend-vm86.c
index ec0dd21..266b1a9 100644
--- a/src/lrmi/backend-vm86.c
+++ b/src/lrmi/backend-vm86.c
@@ -28,6 +28,7 @@ OTHER DEALINGS IN THE SOFTWARE.
 
 #include <stdio.h>
 #include <string.h>
+#include <inttypes.h>
 #include "libx86.h"
 #include "common.h"
 
@@ -38,6 +39,52 @@ OTHER DEALINGS IN THE SOFTWARE.
 #endif
 #define DEFAULT_STACK_SIZE 	0x1000
 
+
+static uint8_t
+read_b(xf86Int10InfoPtr pInt, int addr)
+{
+    return *((uint8_t *)addr);
+}
+
+static uint16_t
+read_w(xf86Int10InfoPtr pInt, int addr)
+{
+    return *((uint16_t *)addr);
+}
+
+static uint32_t
+read_l(xf86Int10InfoPtr pInt, int addr)
+{
+    return *((uint32_t *)addr);
+}
+
+static void
+write_b(xf86Int10InfoPtr pInt, int addr, uint8_t val)
+{
+    *((uint8_t *)addr) = val;
+}
+
+static void
+write_w(xf86Int10InfoPtr pInt, int addr, uint16_t val)
+{
+    *((uint16_t *)addr) = val;
+}
+
+static void
+write_l(xf86Int10InfoPtr pInt, int addr, uint32_t val)
+{
+    *((uint32_t *)addr) = val;
+}
+
+int10MemRec linuxMem = {
+    read_b,
+    read_w,
+    read_l,
+    write_b,
+    write_w,
+    write_l
+};
+
 static inline void
 set_bit(unsigned int bit, void *array)
 {
@@ -50,6 +97,8 @@ void
 LRMI_init(xf86Int10InfoPtr pInt)
 {
     xxxf86Int10ExecSetup(pInt);
+
+    pInt->mem = &linuxMem;
 #if 0
 	void *m;