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, 12 insertions, 0 deletions

diff --git a/firmware/target/arm/system-pp5002.c b/firmware/target/arm/system-pp5002.c
index b9a937c6e8..1b37d3303f 100644
--- a/firmware/target/arm/system-pp5002.c
+++ b/firmware/target/arm/system-pp5002.c
@@ -203,6 +203,18 @@ void system_init(void)
 void system_reboot(void)
 {
     DEV_RS |= 4;
+    while (1);
+}
+
+void system_exception_wait(void)
+{
+    /* FIXME: we just need the right buttons */
+    CPU_INT_DIS = -1;
+    COP_INT_DIS = -1;
+
+    /* Halt */
+    sleep_core(CURRENT_CORE);
+    while (1);
 }
 
 int system_memory_guard(int newmode)