Lines Matching +full:output +full:- +full:low
1 # SPDX-License-Identifier: GPL-2.0
30 Look for a message in dmesg output like this:
44 once the kernel has booted up - it's a one time check.
96 1 - undefined instruction events
97 2 - system calls
98 4 - invalid data aborts
99 8 - SIGSEGV faults
100 16 - SIGBUS faults
104 bool "Kernel low-level debugging functions (read help!)"
117 prompt "Kernel low-level debugging port"
121 bool "Kernel low-level debugging messages via Alpine UART0"
125 Say Y here if you want kernel low-level debugging support
129 bool "Kernel low-level debugging via asm9260 UART"
133 their output to an UART or USART port on asm9260 based
150 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU"
154 Say Y here if you want kernel low-level debugging support
160 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
164 Say Y here if you want kernel low-level debugging support
170 bool "Kernel low-level debugging on SAMA5D2 UART1"
174 Say Y here if you want kernel low-level debugging support
178 bool "Kernel low-level debugging on SAMA5D4 USART3"
182 Say Y here if you want kernel low-level debugging support
186 bool "Kernel low-level debugging via SAMV7 USART1"
191 their output to the USART1 port on SAMV7 based
195 bool "Kernel low-level debugging on BCM2835 PL011 UART"
200 bool "Kernel low-level debugging on BCM2836 PL011 UART"
205 bool "Kernel low-level debugging on BCM5301X/NSP UART1"
210 bool "Kernel low-level debugging on Hurricane 2 UART2"
215 bool "Kernel low-level debugging on BCM IPROC UART3"
220 their output to the third serial port on these devices.
223 bool "Kernel low-level debugging messages via BCM KONA UART"
227 Say Y here if you want kernel low-level debugging support
229 This low level debug works for Broadcom
234 bool "Kernel low-level debugging on BCM63XX UART"
242 Say Y here if you want kernel low-level debugging support
246 bool "Use BRCMSTB UART for low-level debug"
250 their output to the first serial port on these devices. The
258 bool "Kernel low-level debugging messages via UART1"
262 their output to the first serial port on these devices.
265 bool "Kernel low-level debugging messages via UART2"
269 their output to the second serial port on these devices.
272 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
277 their output to the CNS3xxx UART0.
280 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
285 their output to UART1 serial port on DaVinci DA8XX devices.
288 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
293 their output to UART2 serial port on DaVinci DA8XX devices.
296 bool "Kernel low-level debugging on DaVinci DMx using UART0"
301 their output to UART0 serial port on DaVinci DMx devices.
304 bool "Kernel low-level debugging messages via footbridge serial port"
308 their output to the serial port in the DC21285 (Footbridge).
311 bool "Kernel low-level debugging messages via Digicolor UA0"
315 their output to the UA0 serial port in the CX92755.
318 bool "Kernel low-level debugging messages via ep93xx UART"
322 Say Y here if you want kernel low-level debugging support
326 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
331 their output to the 8250 at PCI COM1.
334 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
338 Say Y here if you want kernel low-level debugging support
346 Say Y here if you want kernel low-level debugging support
350 bool "Kernel low-level debugging messages via Highbank UART"
355 their output to the UART on Highbank based devices.
362 Say Y here if you want kernel low-level debugging support
370 Say Y here if you want kernel low-level debugging support
378 Say Y here if you want kernel low-level debugging support
385 Say Y here if you want kernel low-level debugging support
393 Say Y here if you want kernel low-level debugging support
400 Say Y here if you want kernel low-level debugging support
407 Say Y here if you want kernel low-level debugging support
415 Say Y here if you want kernel low-level debugging support
422 Say Y here if you want kernel low-level debugging support
429 Say Y here if you want kernel low-level debugging support
436 Say Y here if you want kernel low-level debugging support
443 Say Y here if you want kernel low-level debugging support
450 Say Y here if you want kernel low-level debugging support
457 Say Y here if you want kernel low-level debugging support
464 Say Y here if you want kernel low-level debugging support
471 Say Y here if you want kernel low-level debugging support
478 Say Y here if you want kernel low-level debugging support
485 Say Y here if you want kernel low-level debugging support
489 bool "Kernel low-level debugging messages via ARM Integrator UART"
493 Say Y here if you want kernel low-level debugging support
497 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
502 their output to UART0 serial port on KEYSTONE2 devices.
505 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
510 their output to UART1 serial port on KEYSTONE2 devices.
513 bool "Kernel low-level debugging via LPC18xx/43xx UART0"
517 Say Y here if you want kernel low-level debugging support
521 bool "Kernel low-level debugging messages via NXP LPC32xx UART"
525 Say Y here if you want kernel low-level debugging support
529 bool "Kernel low-level debugging via Meson6 UARTAO"
532 Say Y here if you want kernel low-lever debugging support
536 bool "Kernel low-level debugging message via MMP UART2"
540 Say Y here if you want kernel low-level debugging support
544 bool "Kernel low-level debugging message via MMP UART3"
548 Say Y here if you want kernel low-level debugging support
552 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
557 Say Y here if you want kernel low-level debugging support
572 when u-boot hands over to the kernel, the system
573 silently crashes, with no serial output at all.
576 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
580 Say Y here if you want kernel low-level debugging support
589 when u-boot hands over to the kernel, the system
590 silently crashes, with no serial output at all.
593 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
597 Say Y here if you want kernel low-level debugging support
607 when u-boot hands over to the kernel, the system
608 silently crashes, with no serial output at all.
615 Say Y here if you want kernel low-level debugging support
623 Say Y here if you want kernel low-level debugging support
631 Say Y here if you want kernel low-level debugging support
635 bool "Kernel low-level debugging messages via NOMADIK UART"
639 Say Y here if you want kernel low-level debugging support
643 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
647 Say Y here if you want kernel low-level debugging support
648 on TI-NSPIRE classic models.
651 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
655 Say Y here if you want kernel low-level debugging support
656 on TI-NSPIRE CX models.
659 bool "Kernel low-level debugging via OMAP1 UART1"
663 Say Y here if you want kernel low-level debugging support
667 bool "Kernel low-level debugging via OMAP1 UART2"
671 Say Y here if you want kernel low-level debugging support
675 bool "Kernel low-level debugging via OMAP1 UART3"
679 Say Y here if you want kernel low-level debugging support
691 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
696 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
701 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
710 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
715 bool "Kernel low-level debugging messages via OMAP36XX UART4"
720 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
725 bool "Kernel low-level debugging via OMAP730 UART1"
729 Say Y here if you want kernel low-level debugging support
733 bool "Kernel low-level debugging via OMAP730 UART2"
737 Say Y here if you want kernel low-level debugging support
741 bool "Kernel low-level debugging via OMAP730 UART3"
745 Say Y here if you want kernel low-level debugging support
749 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
754 bool "Kernel low-level debugging messages via TI81XX UART2"
759 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
764 bool "Kernel low-level debugging messages via AM33XX UART1"
769 bool "Kernel low-level debugging messages via Zoom2/3 UART"
775 bool "Use PicoXcell UART for low-level debug"
778 Say Y here if you want kernel low-level debugging support
783 bool "Use PXA UART1 for low-level debug"
786 Say Y here if you want kernel low-level debugging support
790 bool "Kernel low-level debugging messages via QCOM UARTDM"
794 their output to the serial port on Qualcomm devices.
813 their output to the serial port on RealView EB, PB11MP, PBA8
822 their output to the standard serial port on the RealView
826 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
830 Say Y here if you want kernel low-level debugging support
834 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
838 Say Y here if you want kernel low-level debugging support
842 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
846 Say Y here if you want kernel low-level debugging support
850 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
854 Say Y here if you want kernel low-level debugging support
858 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
862 Say Y here if you want kernel low-level debugging support
866 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
870 Say Y here if you want kernel low-level debugging support
874 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
878 Say Y here if you want kernel low-level debugging support
882 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
886 Say Y here if you want kernel low-level debugging support
890 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
894 Say Y here if you want kernel low-level debugging support
898 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
902 Say Y here if you want kernel low-level debugging support
906 bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
910 Say Y here if you want kernel low-level debugging support
914 bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
917 Say Y here if you want kernel low-level debugging support
921 bool "Kernel low-level debugging messages via SCIF2 on R7S9210"
924 Say Y here if you want kernel low-level debugging support
928 bool "Kernel low-level debugging messages via SCIF4 on R7S9210"
931 Say Y here if you want kernel low-level debugging support
935 bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
938 Say Y here if you want kernel low-level debugging support
939 via SCIF0 on Renesas R-Car M1A (R8A7778).
942 bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
945 Say Y here if you want kernel low-level debugging support
946 via SCIF2 on Renesas R-Car H1 (R8A7779).
949 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
953 Say Y here if you want kernel low-level debugging support
955 R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or
956 M2-N (R8A7793).
959 bool "Kernel low-level debugging messages via SCIF1 on R8A77470"
962 Say Y here if you want kernel low-level debugging support
966 bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
969 Say Y here if you want kernel low-level debugging support
970 via SCIF2 on Renesas R-Car E2 (R8A7794).
973 bool "Kernel low-level debugging messages via SCIF4 on R8A7745"
976 Say Y here if you want kernel low-level debugging support
980 bool "Kernel low-level debugging messages via SCIFA2 on R8A7742"
983 Say Y here if you want kernel low-level debugging support
987 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
990 Say Y here if you want kernel low-level debugging support
991 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
994 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
997 Say Y here if you want kernel low-level debugging support
998 via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
1001 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
1004 Say Y here if you want kernel low-level debugging support
1005 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
1013 bool "Use Samsung S3C UART 0 for low-level debug"
1016 their output to UART 0. The port must have been initialised
1017 by the boot-loader before use.
1025 bool "Use Samsung S3C UART 1 for low-level debug"
1028 their output to UART 1. The port must have been initialised
1029 by the boot-loader before use.
1037 bool "Use Samsung S3C UART 2 for low-level debug"
1040 their output to UART 2. The port must have been initialised
1041 by the boot-loader before use.
1048 bool "Use Samsung S3C UART 3 for low-level debug"
1051 their output to UART 3. The port must have been initialised
1052 by the boot-loader before use.
1057 bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
1060 their output to UART 0. The port must have been initialised
1061 by the boot-loader before use.
1066 bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
1069 their output to UART 1. The port must have been initialised
1070 by the boot-loader before use.
1075 bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
1078 their output to UART 2. The port must have been initialised
1079 by the boot-loader before use.
1083 bool "Use SA1100 UARTs for low-level debug"
1085 Say Y here if you want kernel low-level debugging support
1086 on SA-11x0 UART ports. The kernel will check for the first
1087 enabled UART in a sequence 3-1-2.
1094 Say Y here if you want kernel low-level debugging support
1099 bool "Use SOCFPGA UART0 for low-level debug"
1102 Say Y here if you want kernel low-level debugging support
1107 bool "Use SOCFPGA Arria10 UART1 for low-level debug"
1110 Say Y here if you want kernel low-level debugging support
1115 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
1118 Say Y here if you want kernel low-level debugging support
1122 bool "Kernel low-level debugging messages via sun9i UART0"
1126 Say Y here if you want kernel low-level debugging support
1130 bool "Kernel low-level debugging messages via sunXi UART0"
1134 Say Y here if you want kernel low-level debugging support
1138 bool "Kernel low-level debugging messages via sunXi UART1"
1142 Say Y here if you want kernel low-level debugging support
1146 bool "Kernel low-level debugging messages via sunXi R_UART"
1150 Say Y here if you want kernel low-level debugging support
1154 bool "Kernel low-level debugging messages via SiRFprimaII UART1"
1159 their output to the uart1 port on SiRFprimaII devices.
1162 bool "Kernel low-level debugging messages via SiRFatlas7 UART0"
1167 their output to the uart0 port on SiRFATLAS7 devices.The uart0
1172 bool "Kernel low-level debugging messages via SiRFatlas7 UART1"
1177 their output to the uart1 port on SiRFATLAS7 devices.
1180 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1184 Say Y here if you want kernel low-level debugging support
1188 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1192 Say Y here if you want kernel low-level debugging support
1196 bool "Use StiH415/416 ASC2 UART for low-level debug"
1200 Say Y here if you want kernel low-level debugging support
1207 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1211 Say Y here if you want kernel low-level debugging support
1218 bool "Use STM32F4 UART for low-level debug"
1222 Say Y here if you want kernel low-level debugging support
1230 bool "Use STM32F7 UART for low-level debug"
1234 Say Y here if you want kernel low-level debugging support
1242 bool "Use STM32H7 UART for low-level debug"
1246 Say Y here if you want kernel low-level debugging support
1254 bool "Use STM32MP1 UART for low-level debug"
1258 Say Y here if you want kernel low-level debugging support
1266 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1270 Automatically determines which UART to use for low-level
1278 bool "Kernel low-level debugging messages via Tegra UART A"
1282 Say Y here if you want kernel low-level debugging support
1286 bool "Kernel low-level debugging messages via Tegra UART B"
1290 Say Y here if you want kernel low-level debugging support
1294 bool "Kernel low-level debugging messages via Tegra UART C"
1298 Say Y here if you want kernel low-level debugging support
1302 bool "Kernel low-level debugging messages via Tegra UART D"
1306 Say Y here if you want kernel low-level debugging support
1310 bool "Kernel low-level debugging messages via Tegra UART E"
1314 Say Y here if you want kernel low-level debugging support
1318 bool "Kernel low-level debugging messages via U300 UART0"
1323 their output to the uart port on U300 devices.
1327 bool "Use Ux500 UART for low-level debug"
1329 Say Y here if you want kernel low-level debugging support
1333 bool "Kernel low-level debugging messages via ARM Versatile UART"
1337 Say Y here if you want kernel low-level debugging support
1341 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1348 Note that this will only work with standard A-class core tiles,
1349 and may fail with non-standard SMM or custom software models.
1352 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1357 this applies only to the V2P-CA9 tile.
1365 of the tiles using the RS1 memory map, including all new A-class
1366 core tiles, FPGA-based SMMs and software models.
1369 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1374 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1380 Say Y here if you want kernel low-level debugging support
1387 This option selects UART0 on VIA/Wondermedia System-on-a-chip
1403 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1407 their output to UART0 on the Zynq platform.
1410 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1414 their output to UART1 on the Zynq platform.
1420 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1423 their output to the EmbeddedICE macrocell's DCC channel using
1424 co-processor 14. This is known to work on the ARM9 style ICE
1431 bool "Kernel low-level debug output via semihosting I/O"
1447 bool "Kernel low-level debugging via 8250 UART"
1450 their output to an 8250 UART. You can use this option
1460 bool "Kernel low-level debugging via efm32 UART"
1464 their output to an UART or USART port on efm32 based
1474 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1477 their output to a PL01x Primecell UART. You can use
1539 Choose UART port on which kernel low-level debug messages
1540 should be output.
1548 Choose UART port on which kernel low-level debug messages
1549 should be output.
1607 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1608 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2
1609 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4
1610 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1611 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1612 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1613 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1614 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1615 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1616 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2
1617 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1618 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1619 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1634 default "mach/debug-macro.S"
1907 bool "Use 32-bit accesses for 8250 UART"
1919 bool "8250 UART is Palmchip BK-310x"
1927 bool "Enable decompressor debugging via DEBUG_LL output"
1933 This option influences the normal decompressor output for
1935 decompressor output because it is not possible to know where to
1936 send the decompressor output.
1938 When this option is set, the selected DEBUG_LL output method
1939 will be re-used for normal decompressor output on multiplatform
1954 kernel low-level debugging functions. Add earlyprintk to your