diff options
Diffstat (limited to 'arch/arm/boot/compressed/debug.S')
| -rw-r--r-- | arch/arm/boot/compressed/debug.S | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S index 5392ee63338f..fac40a717fcf 100644 --- a/arch/arm/boot/compressed/debug.S +++ b/arch/arm/boot/compressed/debug.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #include <asm/assembler.h> @@ -7,7 +8,10 @@ ENTRY(putc) addruart r1, r2, r3 - waituart r3, r1 +#ifdef CONFIG_DEBUG_UART_FLOW_CONTROL + waituartcts r3, r1 +#endif + waituarttxrdy r3, r1 senduart r0, r1 busyuart r3, r1 mov pc, lr @@ -23,7 +27,11 @@ ENTRY(putc) strb r0, [r1] mov r0, #0x03 @ SYS_WRITEC ARM( svc #0x123456 ) +#ifdef CONFIG_CPU_V7M + THUMB( bkpt #0xab ) +#else THUMB( svc #0xab ) +#endif mov pc, lr .align 2 1: .word _GLOBAL_OFFSET_TABLE_ - . |