Changeset 874621f in mainline for arch/mips32/include

Timestamp:

2006-06-06T07:40:51Z (20 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

0dbc4e7

Parents:

6f9a9bc

Message:

Added kernel circular buffer klog.
Added automatic killing of tasks raising inappropriate exceptions.
TODO Fix vsnprintf return value(and behaviour according to specs) and remove workaround in klog.

Location:

arch/mips32/include

Files:

• arg.h (modified) (1 diff)
• exception.h (modified) (2 diffs)

arch/mips32/include/arg.h

@@ -45 +45 @@
         (((type *)((ap) = (va_list)( (sizeof(type) <= 4) ? ((__address)((ap) + 2*4 - 1) & (~3)) : ((__address)((ap) + 2*8 -1) & (~7)) )))[-1])
 
+#define va_copy(dst,src) ((dst)=(src))
+
 #define va_end(ap)
 

arch/mips32/include/exception.h

@@ -35 +35 @@
 
 #include <typedefs.h>
+#include <arch/cp0.h>
 
 #define EXC_Int         0
@@ -99 +100 @@
 }
 
+/** Return true if exception happened while in userspace */
+static inline int istate_from_uspace(istate_t *istate)
+{
+        return istate->status & cp0_status_um_bit;
+}
+static inline __native istate_get_pc(istate_t *istate)
+{
+        return istate->epc;
+}
+
 extern void exception(istate_t *istate);
 extern void tlb_refill_entry(void);