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avr/modules/network: disable interrupts on alloc/release.

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This commit is contained in:
Martin Preuss
2025-05-04 03:34:11 +02:00
parent 9a854977a4
commit 46b24bf442
1 changed files with 22 additions and 1 deletions
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23
avr/modules/network/buffer.asm
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@@ -42,6 +42,22 @@ NET_Buffer_Init:
; @clobbers R16, R17, X ; @clobbers R16, R17, X
NET_Buffer_Alloc: NET_Buffer_Alloc:
push r15
in r15, SREG
cli
rcall NET_Buffer_Alloc_noIrq
brcc NET_Buffer_Alloc_error
out SREG, r15
pop r15
sec
ret
NET_Buffer_Alloc_error:
out SREG, r15
pop r15
clc
ret
NET_Buffer_Alloc_noIrq:
ldi xl, LOW(netBuffers) ldi xl, LOW(netBuffers)
ldi xh, HIGH(netBuffers) ldi xh, HIGH(netBuffers)
m_fixedbuf_reserve NET_BUFFERS_SIZE, NET_BUFFERS_NUM m_fixedbuf_reserve NET_BUFFERS_SIZE, NET_BUFFERS_NUM
@@ -61,7 +77,12 @@ NET_Buffer_Alloc_end:
; @clobbers R16 ; @clobbers R16
NET_Buffer_ReleaseByAddr: NET_Buffer_ReleaseByAddr:
m_fixedbuf_release push r15
in r15, SREG
cli
m_fixedbuf_release
out SREG, r15
pop r15
ret ret
; @end ; @end