b1a154dbf9
Disintegrate asm/system.h for CRIS. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> cc: linux-cris-kernel@axis.com
37 lines
764 B
C
37 lines
764 B
C
#ifndef _ASM_CRIS_ARCH_SYSTEM_H
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#define _ASM_CRIS_ARCH_SYSTEM_H
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/* Read the CPU version register. */
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static inline unsigned long rdvr(void)
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{
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unsigned char vr;
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__asm__ __volatile__ ("move $vr, %0" : "=rm" (vr));
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return vr;
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}
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#define cris_machine_name "crisv32"
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/* Read the user-mode stack pointer. */
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static inline unsigned long rdusp(void)
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{
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unsigned long usp;
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__asm__ __volatile__ ("move $usp, %0" : "=rm" (usp));
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return usp;
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}
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/* Read the current stack pointer. */
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static inline unsigned long rdsp(void)
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{
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unsigned long sp;
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__asm__ __volatile__ ("move.d $sp, %0" : "=rm" (sp));
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return sp;
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}
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/* Write the user-mode stack pointer. */
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#define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp))
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#endif /* _ASM_CRIS_ARCH_SYSTEM_H */
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