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:
/
usr
/
src
/
linux-headers-6.8.0-83-generic
/
arch
/
arm
/
include
/
debug
/ [
drwxr-xr-x
]
upload
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name :
sti.S
/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/include/debug/sti.S * * Debugging macro include header * Copyright (C) 2013 STMicroelectronics (R&D) Limited. */ #define ASC_TX_BUF_OFF 0x04 #define ASC_CTRL_OFF 0x0c #define ASC_STA_OFF 0x14 #define ASC_STA_TX_FULL (1<<9) #define ASC_STA_TX_EMPTY (1<<1) .macro addruart, rp, rv, tmp ldr \rp, =CONFIG_DEBUG_UART_PHYS @ physical base ldr \rv, =CONFIG_DEBUG_UART_VIRT @ virt base .endm .macro senduart,rd,rx strb \rd, [\rx, #ASC_TX_BUF_OFF] .endm .macro waituartcts,rd,rx .endm .macro waituarttxrdy,rd,rx 1001: ldr \rd, [\rx, #ASC_STA_OFF] tst \rd, #ASC_STA_TX_FULL bne 1001b .endm .macro busyuart,rd,rx 1001: ldr \rd, [\rx, #ASC_STA_OFF] tst \rd, #ASC_STA_TX_EMPTY beq 1001b .endm
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