Clean up panicf and introduce system_exception_wait to do further target tasks and wait for a button when an unrecoverable error has occurred (panic, UIE, etc.). Returning from that function should reboot or don't return from it. Move UIE and __div0 for ARM to its own file.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19716 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 6 insertions, 0 deletions

diff --git a/firmware/target/arm/s3c2440/gigabeat-fx/system-meg-fx.c b/firmware/target/arm/s3c2440/gigabeat-fx/system-meg-fx.c
index 43e2c408a2..61b4653726 100644
--- a/firmware/target/arm/s3c2440/gigabeat-fx/system-meg-fx.c
+++ b/firmware/target/arm/s3c2440/gigabeat-fx/system-meg-fx.c
@@ -111,6 +111,12 @@ void system_reboot(void)
         ;
 }
 
+void system_exception_wait(void)
+{
+    INTMSK = 0xFFFFFFFF;
+    while (GPGDAT & (1 << 0)) == 0); /* Wait for power button */
+}
+
 static void set_page_tables(void)
 {
     map_section(0, 0, 0x1000, CACHE_NONE); /* map every memory region to itself */