Changeset 82a04c6 in mainline for uspace

Timestamp:

2009-12-07T21:55:56Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a47d49f

Parents:

45d5f86

Message:

Support for RAS on arm32.

Location:

uspace

Files:

• lib/libc/arch/arm32/src/entry.s (modified) (2 diffs)
• srv/loader/arch/arm32/arm32.s (modified) (1 diff)

uspace/lib/libc/arch/arm32/src/entry.s

@@ -36 +36 @@
 #
 # r1 contains the PCB pointer
+# r2 contains the RAS page address
 #
 __entry:
+        # Store the RAS page address into the ras_page variable
+        ldr r0, =ras_page
+        str r2, [r0]
+
         # Pass pcb_ptr to __main as the first argument (in r0)
         mov r0, r1
@@ -43 +48 @@
 
         bl __exit
+
+.data
+
+.global ras_page
+ras_page:
+        .long 0
+

uspace/srv/loader/arch/arm32/arm32.s

@@ -36 +36 @@
 # Jump to a program entry point
 program_run:
+        # load ras_page address to r2
+        ldr r2, =ras_page
+        ldr r2, [r2]
         # pcb is passed to the entry point in r1 (where it already is)
         mov r15, r0