Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
arm: handle unaligned addresses in Cortex-M cache ops
For commit-type operations it's useful to be able to pass
unaligned addresses, so round the address/size to ensure
all cache lines in the address range are hit.
Change-Id: Ibb23050ecf11b6ef6ab1dd517990a68ef62ecfa9
+4
-2
+4
-2
firmware/target/arm/cpucache-armv7m.c
+4
-2
firmware/target/arm/cpucache-armv7m.c
···
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*
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****************************************************************************/
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#include "cpucache-armv7m.h"
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+
#include "system.h"
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#include "regs/cortex-m/cm_cache.h"
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/*
···
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{
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arm_dsb();
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-
uint32_t addr = (uint32_t)base;
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-
uint32_t endaddr = addr + size;
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+
uint32_t base_addr = (uint32_t)base;
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+
uint32_t addr = CACHEALIGN_DOWN(base_addr);
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+
uint32_t endaddr = CACHEALIGN_UP(base_addr + size);
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while (addr < endaddr)
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{