Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
stm32h7: do bss/data setup in crt0 for bootloader only
Change-Id: I67798a4370b01127364c40328549a6d3081545cf
authored by
Aidan MacDonald
and committed by
Solomon Peachy
bd73e0dd
e3bf9210
+11
-3
+11
-3
firmware/target/arm/stm32/crt0-stm32h7.S
+11
-3
firmware/target/arm/stm32/crt0-stm32h7.S
···
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b crt0_start
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.global start
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.type start, function
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.global crt0_start
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.type crt0_start, function
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crt0_start:
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#ifdef BOOTLOADER
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/*
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* Initialize data/bss for bootloader
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* (not needed on app since ELF loader takes care of it)
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*/
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/* Zero out BSS */
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ldr a1, =_bssbegin
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ldr a2, =_bssend
···
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ldr a2, =_dataend
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ldr a3, =_datacopy
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bl crt0_area_copy
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#endif
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/* Clear the main thread stack */
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ldr a1, =stackbegin
···
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b main
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#ifdef BOOTLOADER
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.local crt0_area_copy
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.type crt0_area_copy, function
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/* crt0_area_copy(uint32_t *dst, uint32_t *dst_end, const void *src) */
···
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strhi v1, [a1], #4
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bhi crt0_area_copy
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bx lr
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#endif
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.local crt0_area_clear
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.type crt0_area_clear, function