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score: Add support for Sunplus S+core architecture

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This is the complete set of new arch Score's files for linux.
Score instruction set support 16bits, 32bits and 64bits instruction,
Score SOC had been used in game machine and LCD TV.

Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Chen Liqin
2009-06-12 22:01:00 +08:00
committed by Arnd Bergmann
parent 0732f87761
commit 6bc9a3966f
126 changed files with 8566 additions and 0 deletions
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111
arch/score/include/asm/irqflags.h Normal file
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@@ -0,0 +1,111 @@
#ifndef _ASM_SCORE_IRQFLAGS_H
#define _ASM_SCORE_IRQFLAGS_H
#ifndef __ASSEMBLY__
#define raw_local_irq_save(x) \
{ \
__asm__ __volatile__( \
"mfcr r8, cr0;" \
"li r9, 0xfffffffe;" \
"nop;" \
"mv %0, r8;" \
"and r8, r8, r9;" \
"mtcr r8, cr0;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
"ldi r9, 0x1;" \
"and %0, %0, r9;" \
: "=r" (x) \
: \
: "r8", "r9" \
); \
}
#define raw_local_irq_restore(x) \
{ \
__asm__ __volatile__( \
"mfcr r8, cr0;" \
"ldi r9, 0x1;" \
"and %0, %0, r9;" \
"or r8, r8, %0;" \
"mtcr r8, cr0;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
: \
: "r"(x) \
: "r8", "r9" \
); \
}
#define raw_local_irq_enable(void) \
{ \
__asm__ __volatile__( \
"mfcr\tr8,cr0;" \
"nop;" \
"nop;" \
"ori\tr8,0x1;" \
"mtcr\tr8,cr0;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
: \
: \
: "r8"); \
}
#define raw_local_irq_disable(void) \
{ \
__asm__ __volatile__( \
"mfcr\tr8,cr0;" \
"nop;" \
"nop;" \
"srli\tr8,r8,1;" \
"slli\tr8,r8,1;" \
"mtcr\tr8,cr0;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
: \
: \
: "r8"); \
}
#define raw_local_save_flags(x) \
{ \
__asm__ __volatile__( \
"mfcr r8, cr0;" \
"nop;" \
"nop;" \
"mv %0, r8;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
"nop;" \
"ldi r9, 0x1;" \
"and %0, %0, r9;" \
: "=r" (x) \
: \
: "r8", "r9" \
); \
}
static inline int raw_irqs_disabled_flags(unsigned long flags)
{
return !(flags & 1);
}
#endif
#endif /* _ASM_SCORE_IRQFLAGS_H */