diff options
Diffstat (limited to 'qemu/roms/u-boot/arch/nios2/lib/cache.S')
| -rw-r--r-- | qemu/roms/u-boot/arch/nios2/lib/cache.S | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/nios2/lib/cache.S b/qemu/roms/u-boot/arch/nios2/lib/cache.S new file mode 100644 index 000000000..683f00599 --- /dev/null +++ b/qemu/roms/u-boot/arch/nios2/lib/cache.S @@ -0,0 +1,68 @@ +/* + * (C) Copyright 2004, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> + + .text + + .global flush_dcache + +flush_dcache: + add r5, r5, r4 + movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) + ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) +0: flushd 0(r4) + add r4, r4, r8 + bltu r4, r5, 0b + ret + + + .global flush_icache + +flush_icache: + add r5, r5, r4 + movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) + ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) +1: flushi r4 + add r4, r4, r8 + bltu r4, r5, 1b + ret + + .global flush_dcache_range + +flush_dcache_range: + movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) + ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) +0: flushd 0(r4) + add r4, r4, r8 + bltu r4, r5, 0b + ret + + .global flush_cache + +flush_cache: + add r5, r5, r4 + mov r9, r4 + mov r10, r5 + + movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) + ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) +0: flushd 0(r4) + add r4, r4, r8 + bltu r4, r5, 0b + + mov r4, r9 + mov r5, r10 + movhi r8, %hi(CONFIG_SYS_ICACHELINE_SIZE) + ori r8, r8, %lo(CONFIG_SYS_ICACHELINE_SIZE) +1: flushi r4 + add r4, r4, r8 + bltu r4, r5, 1b + + sync + flushp + ret |