Changeset b7aa7c5 in mainline

Timestamp:

2010-05-20T21:11:51Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

3d948be

Parents:

f34c09e

Message:

Add mips32 interrupts_disabled().

Location:

kernel/arch/mips32

Files:

• include/asm.h (modified) (1 diff)
• src/interrupt.c (modified) (1 diff)

kernel/arch/mips32/include/asm.h

@@ -74 +74 @@
 extern void interrupts_restore(ipl_t ipl);
 extern ipl_t interrupts_read(void);
-extern void asm_delay_loop(uint32_t t);
+extern bool interrupts_disabled(void);
 
 static inline void pio_write_8(ioport8_t *port, uint8_t v)

kernel/arch/mips32/src/interrupt.c

@@ -89 +89 @@
 }
 
+/** Check interrupts state.
+ *
+ * @return True if interrupts are disabled.
+ *
+ */
+bool interrupts_disabled(void)
+{
+        return !(cp0_status_read() & cp0_status_ie_enabled_bit);
+}
+
 /* TODO: This is SMP unsafe!!! */
 uint32_t count_hi = 0;