From 214941537f2211d5e2ef16e34440485d7e872d1a Mon Sep 17 00:00:00 2001
From: Perry Hung <iperry@gmail.com>
Date: Sun, 27 Feb 2011 15:49:51 -0500
Subject: Refactor linker scripts. Rename irq and exception handlers.

Add common linker scripts for ram and rom. Add medium and high density
libraries for libcs3.
---
 libmaple/exc.S | 44 +++++++++++++++++++++++++++++++++++---------
 1 file changed, 35 insertions(+), 9 deletions(-)

(limited to 'libmaple/exc.S')

diff --git a/libmaple/exc.S b/libmaple/exc.S
index a9f6561..d01e3d5 100644
--- a/libmaple/exc.S
+++ b/libmaple/exc.S
@@ -41,16 +41,42 @@
 #    SP-->  r0
 
 .text
-.globl HardFaultException
+.globl __exc_hardfault
+.globl __exc_nmi
+.globl __exc_hardfault
+.globl __exc_memmanage
+.globl __exc_busfault
+.globl __exc_usagefault
+
+/* TODO: Fix this up. */
+.thumb_func
+__exc_nmi:
+    mov r0, #1
+
+.thumb_func
+__exc_hardfault:
+    mov r0, #2
+
 .thumb_func
-HardFaultException:
-   ldr r0, CPSR_MASK           @ Set default CPSR
-   push {r0}
-   ldr r0, TARGET_PC           @ Set target pc
-   push {r0}
-   sub sp, sp, #24             @ its not like i even care
-   ldr r0, EXC_RETURN          @ Return to thread mode
-   mov lr, r0
+__exc_memmanage:
+    mov r0, #3
+
+.thumb_func
+__exc_busfault:
+    mov r0, #4
+
+.thumb_func
+__exc_usagefault:
+    mov r0, #5
+
+__default:
+   ldr r1, CPSR_MASK           @ Set default CPSR
+   push {r1}
+   ldr r1, TARGET_PC           @ Set target pc
+   push {r1}
+   sub sp, sp, #24             @ Don't care
+   ldr r1, EXC_RETURN          @ Return to thread mode
+   mov lr, r1
    bx lr                       @ Exception exit
 
  .align 4
-- 
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