From 3a3c6c51f890fd4ee5fac446778c6beea24ebd26 Mon Sep 17 00:00:00 2001 From: Bernard Xiong Date: Mon, 7 Jan 2019 21:16:05 +0800 Subject: [PATCH] [libcpu] remove cache.h from mips/common folder. --- libcpu/mips/common/cache.h | 232 ------------------------------------- 1 file changed, 232 deletions(-) delete mode 100644 libcpu/mips/common/cache.h diff --git a/libcpu/mips/common/cache.h b/libcpu/mips/common/cache.h deleted file mode 100644 index 1c7cf41324..0000000000 --- a/libcpu/mips/common/cache.h +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Cache operations for the cache instruction. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle - * (C) Copyright 1999 Silicon Graphics, Inc. - */ -#ifndef __CACHE_H__ -#define __CACHE_H__ - - -#define KUSEG 0x00000000 -#define KSEG0 0x80000000 -#define KSEG1 0xa0000000 -#define KSEG2 0xc0000000 -#define KSEG3 0xe0000000 - -/* - * Cache Operations available on all MIPS processors with R4000-style caches - */ -#define Index_Invalidate_I 0x00 -#define Index_Writeback_Inv_D 0x01 -#define Index_Load_Tag_I 0x04 -#define Index_Load_Tag_D 0x05 -#define Index_Store_Tag_I 0x08 -#define Index_Store_Tag_D 0x09 - -#define Hit_Invalidate_I 0x10 -#define Hit_Invalidate_D 0x11 -#define Hit_Writeback_Inv_D 0x15 -#define Hit_Writeback_I 0x18 -#define Hit_Writeback_D 0x19 - -/* - *The lock state is cleared by executing an Index -Invalidate, Index Writeback Invalidate, Hit -Invalidate, or Hit Writeback Invalidate -operation to the locked line, or via an Index -Store Tag operation with the lock bit reset in -the TagLo register. - */ -#define Fetch_And_Lock_I 0x1c -#define Fetch_And_Lock_D 0x1d -/* - * R4000-specific cacheops - */ -#define Create_Dirty_Excl_D 0x0d -#define Fill 0x14 - -/* - * R4000SC and R4400SC-specific cacheops - */ -#define Index_Invalidate_SI 0x02 -#define Index_Writeback_Inv_SD 0x03 -#define Index_Load_Tag_SI 0x06 -#define Index_Load_Tag_SD 0x07 -#define Index_Store_Tag_SI 0x0A -#define Index_Store_Tag_SD 0x0B -#define Create_Dirty_Excl_SD 0x0f -#define Hit_Invalidate_SI 0x12 -#define Hit_Invalidate_SD 0x13 -#define Hit_Writeback_Inv_SD 0x17 -#define Hit_Writeback_SD 0x1b -#define Hit_Set_Virtual_SI 0x1e -#define Hit_Set_Virtual_SD 0x1f - -/* - * R5000-specific cacheops - */ -#define R5K_Page_Invalidate_S 0x17 - -/* - * RM7000-specific cacheops - */ -#define Page_Invalidate_T 0x16 - -/* - * R1000-specific cacheops - * - * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused. - * Most of the _S cacheops are identical to the R4000SC _SD cacheops. - */ -#define Index_Writeback_Inv_S 0x03 -#define Index_Load_Tag_S 0x07 -#define Index_Store_Tag_S 0x0B -#define Hit_Invalidate_S 0x13 -#define Cache_Barrier 0x14 -#define Hit_Writeback_Inv_S 0x17 -#define Index_Load_Data_I 0x18 -#define Index_Load_Data_D 0x19 -#define Index_Load_Data_S 0x1b -#define Index_Store_Data_I 0x1c -#define Index_Store_Data_D 0x1d -#define Index_Store_Data_S 0x1f - - -#ifndef __ASSEMBLER__ - -#ifndef dcache_size -#define dcache_size (g_mips_core.dcache_ways * g_mips_core.dcache_lines_per_way * g_mips_core.dcache_line_size) -#endif - -#ifndef icache_size -#define icache_size (g_mips_core.dcache_ways * g_mips_core.dcache_lines_per_way * g_mips_core.dcache_line_size) -#endif - -#ifndef cpu_dcache_line_size -#define cpu_dcache_line_size() g_mips_core.icache_line_size -#endif - -#ifndef cpu_icache_line_size -#define cpu_icache_line_size() g_mips_core.icache_line_size -#endif - -#define cache_op(op, addr) \ - __asm__ __volatile__( \ - " .set noreorder \n" \ - " .set mips3\n\t \n" \ - " cache %0, %1 \n" \ - " .set mips0 \n" \ - " .set reorder" \ - : \ - : "i" (op), "m" (*(unsigned char *)(addr))) - -#define cache16_unroll32(base, op) \ - __asm__ __volatile__( \ - " .set noreorder \n" \ - " .set mips3 \n" \ - " cache %1, 0x000(%0); cache %1, 0x010(%0) \n" \ - " cache %1, 0x020(%0); cache %1, 0x030(%0) \n" \ - " cache %1, 0x040(%0); cache %1, 0x050(%0) \n" \ - " cache %1, 0x060(%0); cache %1, 0x070(%0) \n" \ - " cache %1, 0x080(%0); cache %1, 0x090(%0) \n" \ - " cache %1, 0x0a0(%0); cache %1, 0x0b0(%0) \n" \ - " cache %1, 0x0c0(%0); cache %1, 0x0d0(%0) \n" \ - " cache %1, 0x0e0(%0); cache %1, 0x0f0(%0) \n" \ - " cache %1, 0x100(%0); cache %1, 0x110(%0) \n" \ - " cache %1, 0x120(%0); cache %1, 0x130(%0) \n" \ - " cache %1, 0x140(%0); cache %1, 0x150(%0) \n" \ - " cache %1, 0x160(%0); cache %1, 0x170(%0) \n" \ - " cache %1, 0x180(%0); cache %1, 0x190(%0) \n" \ - " cache %1, 0x1a0(%0); cache %1, 0x1b0(%0) \n" \ - " cache %1, 0x1c0(%0); cache %1, 0x1d0(%0) \n" \ - " cache %1, 0x1e0(%0); cache %1, 0x1f0(%0) \n" \ - " .set mips0 \n" \ - " .set reorder \n" \ - : \ - : "r" (base), \ - "i" (op)); - - -static inline void flush_icache_line_indexed(rt_ubase_t addr) -{ - cache_op(Index_Invalidate_I, addr); -} - -static inline void flush_dcache_line_indexed(rt_ubase_t addr) -{ - cache_op(Index_Writeback_Inv_D, addr); -} - -static inline void flush_icache_line(rt_ubase_t addr) -{ - cache_op(Hit_Invalidate_I, addr); -} - -static inline void lock_icache_line(rt_ubase_t addr) -{ - cache_op(Fetch_And_Lock_I, addr); -} - -static inline void lock_dcache_line(rt_ubase_t addr) -{ - cache_op(Fetch_And_Lock_D, addr); -} - -static inline void flush_dcache_line(rt_ubase_t addr) -{ - cache_op(Hit_Writeback_Inv_D, addr); -} - -static inline void invalidate_dcache_line(rt_ubase_t addr) -{ - cache_op(Hit_Invalidate_D, addr); -} - -static inline void blast_dcache16(void) -{ - rt_ubase_t start = KSEG0; - rt_ubase_t end = start + dcache_size; - rt_ubase_t addr; - - for (addr = start; addr < end; addr += 0x200) - cache16_unroll32(addr, Index_Writeback_Inv_D); -} - -static inline void inv_dcache16(void) -{ - rt_ubase_t start = KSEG0; - rt_ubase_t end = start + dcache_size; - rt_ubase_t addr; - - for (addr = start; addr < end; addr += 0x200) - cache16_unroll32(addr, Hit_Invalidate_D); -} - -static inline void blast_icache16(void) -{ - rt_ubase_t start = KSEG0; - rt_ubase_t end = start + icache_size; - rt_ubase_t addr; - - for (addr = start; addr < end; addr += 0x200) - cache16_unroll32(addr, Index_Invalidate_I); -} - - - -void r4k_cache_init(void); -void r4k_cache_flush_all(void); -void r4k_icache_flush_all(void); -void r4k_icache_flush_range(rt_ubase_t addr, rt_ubase_t size); -void r4k_icache_lock_range(rt_ubase_t addr, rt_ubase_t size); -void r4k_dcache_inv(rt_ubase_t addr, rt_ubase_t size); -void r4k_dcache_wback_inv(rt_ubase_t addr, rt_ubase_t size); - -#endif /*end of __ASSEMBLER__ */ - -#endif /* end of __CACHE_H__ */