" .set push \n"
" .set reorder \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 $1, $2, 1 # SMTC - clear TCStatus.IXMT \n"
- " ori $1, 0x400 \n"
- " xori $1, 0x400 \n"
- " mtc0 $1, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
+#ifdef CONFIG_CPU_MIPSR2
+ " .set mips32r2 \n"
" ei \n"
+ " .set mips0 \n"
#else
" mfc0 $1,$12 \n"
" ori $1,0x1f \n"
" .macro local_irq_disable\n"
" .set push \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 $1, $2, 1 \n"
- " ori $1, 0x400 \n"
- " .set noreorder \n"
- " mtc0 $1, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
+#ifdef CONFIG_CPU_MIPSR2
+ " .set mips32r2 \n"
" di \n"
+ " .set mips0 \n"
#else
" mfc0 $1,$12 \n"
" ori $1,0x1f \n"
" .macro local_save_flags flags \n"
" .set push \n"
" .set reorder \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 \\flags, $2, 1 \n"
-#else
" mfc0 \\flags, $12 \n"
-#endif
" .set pop \n"
" .endm \n");
" .set push \n"
" .set reorder \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 \\result, $2, 1 \n"
- " ori $1, \\result, 0x400 \n"
- " .set noreorder \n"
- " mtc0 $1, $2, 1 \n"
- " andi \\result, \\result, 0x400 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
+#ifdef CONFIG_CPU_MIPSR2
+ " .set mips32r2 \n"
" di \\result \n"
" andi \\result, 1 \n"
+ " .set mips0 \n"
#else
" mfc0 \\result, $12 \n"
" ori $1, \\result, 0x1f \n"
" .set push \n"
" .set noreorder \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- "mfc0 $1, $2, 1 \n"
- "andi \\flags, 0x400 \n"
- "ori $1, 0x400 \n"
- "xori $1, 0x400 \n"
- "or \\flags, $1 \n"
- "mtc0 \\flags, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU)
+#if defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU)
/*
* Slow, but doesn't suffer from a relativly unlikely race
* condition we're having since days 1.
*/
+ " .set mips32r2 \n"
" beqz \\flags, 1f \n"
" di \n"
" ei \n"
+ " .set mips0 \n"
"1: \n"
#elif defined(CONFIG_CPU_MIPSR2)
/*
: "memory"); \
} while(0)
-static inline int irqs_disabled(void)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * SMTC model uses TCStatus.IXMT to disable interrupts for a thread/CPU
- */
- unsigned long __result;
-
- __asm__ __volatile__(
- " .set noreorder \n"
- " mfc0 %0, $2, 1 \n"
- " andi %0, 0x400 \n"
- " slt %0, $0, %0 \n"
- " .set reorder \n"
- : "=r" (__result));
-
- return __result;
-#else
- unsigned long flags;
- local_save_flags(flags);
-
- return !(flags & 1);
-#endif
-}
+#define irqs_disabled() \
+({ \
+ unsigned long flags; \
+ local_save_flags(flags); \
+ !(flags & 1); \
+})
#endif /* _ASM_INTERRUPT_H */