diff options
Diffstat (limited to 'arch/sparc/include/asm/processor.h')
-rw-r--r-- | arch/sparc/include/asm/processor.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h deleted file mode 100644 index 9a6535d30d..0000000000 --- a/arch/sparc/include/asm/processor.h +++ /dev/null @@ -1,102 +0,0 @@ -/* SPARC Processor specifics - * taken from the SPARC port of Linux (ptrace.h). - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_SPARC_PROCESSOR_H -#define __ASM_SPARC_PROCESSOR_H - -#include <asm/arch/asi.h> - -#ifdef CONFIG_LEON - -/* All LEON processors supported */ -#include <asm/leon.h> - -#else -/* other processors */ -#error Unknown SPARC Processor -#endif - -#ifndef __ASSEMBLY__ - -/* flush data cache */ -static __inline__ void sparc_dcache_flush_all(void) -{ - __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory"); -} - -/* flush instruction cache */ -static __inline__ void sparc_icache_flush_all(void) -{ - __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_IFLUSH):"memory"); -} - -/* do a cache miss load */ -static __inline__ unsigned long long sparc_load_reg_cachemiss_qword(unsigned - long paddr) -{ - unsigned long long retval; - __asm__ __volatile__("ldda [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -static __inline__ unsigned long sparc_load_reg_cachemiss(unsigned long paddr) -{ - unsigned long retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -static __inline__ unsigned short sparc_load_reg_cachemiss_word(unsigned long - paddr) -{ - unsigned short retval; - __asm__ __volatile__("lduha [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -static __inline__ unsigned char sparc_load_reg_cachemiss_byte(unsigned long - paddr) -{ - unsigned char retval; - __asm__ __volatile__("lduba [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); - return retval; -} - -/* do a physical address bypass write, i.e. for 0x80000000 */ -static __inline__ void sparc_store_reg_bypass(unsigned long paddr, - unsigned long value) -{ - __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(value), "r"(paddr), - "i"(ASI_BYPASS):"memory"); -} - -static __inline__ unsigned long sparc_load_reg_bypass(unsigned long paddr) -{ - unsigned long retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t": - "=r"(retval):"r"(paddr), "i"(ASI_BYPASS)); - return retval; -} - -/* Macros for bypassing cache when reading */ -#define SPARC_NOCACHE_READ_DWORD(address) sparc_load_reg_cachemiss_qword((unsigned int)(address)) -#define SPARC_NOCACHE_READ(address) sparc_load_reg_cachemiss((unsigned int)(address)) -#define SPARC_NOCACHE_READ_HWORD(address) sparc_load_reg_cachemiss_word((unsigned int)(address)) -#define SPARC_NOCACHE_READ_BYTE(address) sparc_load_reg_cachemiss_byte((unsigned int)(address)) - -#define SPARC_BYPASS_READ(address) sparc_load_reg_bypass((unsigned int)(address)) -#define SPARC_BYPASS_WRITE(address,value) sparc_store_reg_bypass((unsigned int)(address),(unsigned int)(value)) - -#endif - -#endif /* __ASM_SPARC_PROCESSOR_H */ |