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authorlizhirui <[email protected]>2021-05-18 09:54:11 +0800
committerlizhirui <[email protected]>2021-05-18 09:54:11 +0800
commit9a4e270f9770f778128ffdabe94f101416ce8c61 (patch)
tree9df43fbcc25c3f288ed6fdecd65909d4094d849f /libcpu/mips/common/mips_cache.h
parente7fc0c89d2367533dcd1b77e46acaeea7bc3f876 (diff)
parent4e9e3f79a565bb4fdc1d96deda18f9c771aeb0c9 (diff)
Merge branch 'RT-Thread:master' into master
Diffstat (limited to 'libcpu/mips/common/mips_cache.h')
-rw-r--r--libcpu/mips/common/mips_cache.h114
1 files changed, 50 insertions, 64 deletions
diff --git a/libcpu/mips/common/mips_cache.h b/libcpu/mips/common/mips_cache.h
index 438dd76cde..4a459b1ae4 100644
--- a/libcpu/mips/common/mips_cache.h
+++ b/libcpu/mips/common/mips_cache.h
@@ -1,21 +1,7 @@
/*
- * File : mips_cache.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2008 - 2012, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
@@ -116,7 +102,7 @@ enum dma_data_direction
#define INDEX_STORE_DATA_D 0x1d
#define INDEX_STORE_DATA_S 0x1f
-#define cache_op(op, addr) \
+#define cache_op(op, addr) \
__asm__ __volatile__( \
".set push\n" \
".set noreorder\n" \
@@ -126,95 +112,95 @@ enum dma_data_direction
: \
: "i" (op), "R" (*(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));
+#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);
+ cache_op(INDEX_INVALIDATE_I, addr);
}
static inline void flush_dcache_line_indexed(rt_ubase_t addr)
{
- cache_op(INDEX_WRITEBACK_INV_D, addr);
+ cache_op(INDEX_WRITEBACK_INV_D, addr);
}
static inline void flush_icache_line(rt_ubase_t addr)
{
- cache_op(HIT_INVALIDATE_I, addr);
+ cache_op(HIT_INVALIDATE_I, addr);
}
static inline void lock_icache_line(rt_ubase_t addr)
{
- cache_op(FETCH_AND_LOCK_I, 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);
+ cache_op(FETCH_AND_LOCK_D, addr);
}
static inline void flush_dcache_line(rt_ubase_t addr)
{
- cache_op(HIT_WRITEBACK_INV_D, addr);
+ cache_op(HIT_WRITEBACK_INV_D, addr);
}
static inline void invalidate_dcache_line(rt_ubase_t addr)
{
- cache_op(HIT_INVALIDATE_D, addr);
+ cache_op(HIT_INVALIDATE_D, addr);
}
static inline void blast_dcache16(void)
{
- rt_ubase_t start = KSEG0BASE;
- rt_ubase_t end = start + g_mips_core.dcache_size;
- rt_ubase_t addr;
+ rt_ubase_t start = KSEG0BASE;
+ rt_ubase_t end = start + g_mips_core.dcache_size;
+ rt_ubase_t addr;
- for (addr = start; addr < end; addr += g_mips_core.dcache_line_size)
- cache16_unroll32(addr, INDEX_WRITEBACK_INV_D);
+ for (addr = start; addr < end; addr += g_mips_core.dcache_line_size)
+ cache16_unroll32(addr, INDEX_WRITEBACK_INV_D);
}
static inline void inv_dcache16(void)
{
- rt_ubase_t start = KSEG0BASE;
- rt_ubase_t end = start + g_mips_core.dcache_size;
- rt_ubase_t addr;
+ rt_ubase_t start = KSEG0BASE;
+ rt_ubase_t end = start + g_mips_core.dcache_size;
+ rt_ubase_t addr;
- for (addr = start; addr < end; addr += g_mips_core.dcache_line_size)
- cache16_unroll32(addr, HIT_INVALIDATE_D);
+ for (addr = start; addr < end; addr += g_mips_core.dcache_line_size)
+ cache16_unroll32(addr, HIT_INVALIDATE_D);
}
static inline void blast_icache16(void)
{
- rt_ubase_t start = KSEG0BASE;
- rt_ubase_t end = start + g_mips_core.icache_size;
- rt_ubase_t addr;
+ rt_ubase_t start = KSEG0BASE;
+ rt_ubase_t end = start + g_mips_core.icache_size;
+ rt_ubase_t addr;
- for (addr = start; addr < end; addr += g_mips_core.icache_line_size)
- cache16_unroll32(addr, INDEX_INVALIDATE_I);
+ for (addr = start; addr < end; addr += g_mips_core.icache_line_size)
+ cache16_unroll32(addr, INDEX_INVALIDATE_I);
}
void r4k_cache_init(void);