Provide access to rm_cs and rm_ds from protected-mode code.

diff --git a/src/arch/i386/include/librm.h b/src/arch/i386/include/librm.h
index 4301ff5210ad80609a7457c45a36c5b81375b677..fdcd25f1d2f48b4473223d99966e53411edac18f 100644 (file)
--- a/src/arch/i386/include/librm.h
+++ b/src/arch/i386/include/librm.h
@@ -46,8 +46,11 @@ extern char *text16;
 /* Variables in librm.S, present in the normal data segment */
 extern uint16_t rm_sp;
 extern uint16_t rm_ss;
-extern uint16_t rm_cs;
 extern uint32_t pm_esp;
+extern uint16_t __data16 ( rm_cs );
+#define rm_cs __use_data16 ( rm_cs )
+extern uint16_t __text16 ( rm_ds );
+#define rm_ds __use_text16 ( rm_ds )
 
 /* Functions that librm expects to be able to link to.  Included here
  * so that the compiler will catch prototype mismatches.

diff --git a/src/arch/i386/transitions/librm.S b/src/arch/i386/transitions/librm.S
index 3dca53ab1be1304c94098c7504dd8f5b922b81cd..1fba5c569cdc2e082d0d2094ca59cc70e7677bd3 100644 (file)
--- a/src/arch/i386/transitions/librm.S
+++ b/src/arch/i386/transitions/librm.S
@@ -309,7 +309,9 @@ p2r_jump_target:
        .section ".data16"
 p2r_jump_vector:
        .word   p2r_jump_target
+       .globl rm_cs
 rm_cs: .word 0
+       .globl rm_ds
        .section ".text16.data"
 rm_ds: .word 0