diff options
Diffstat (limited to 'arch/arm/Kconfig.debug')
| -rw-r--r-- | arch/arm/Kconfig.debug | 132 |
1 files changed, 88 insertions, 44 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index f6fcb8a79889..6d6e0330930b 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -45,35 +45,42 @@ config DEBUG_WX If in doubt, say "Y". -# RMK wants arm kernels compiled with frame pointers or stack unwinding. -# If you know what you are doing and are willing to live without stack -# traces, you can get a slightly smaller kernel by setting this option to -# n, but then RMK will have to kill you ;). -config FRAME_POINTER - bool - depends on !THUMB2_KERNEL - default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER +choice + prompt "Choose kernel unwinder" + default UNWINDER_ARM if AEABI && !FUNCTION_GRAPH_TRACER + default UNWINDER_FRAME_POINTER if !AEABI || FUNCTION_GRAPH_TRACER + help + This determines which method will be used for unwinding kernel stack + traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack, + livepatch, lockdep, and more. + +config UNWINDER_FRAME_POINTER + bool "Frame pointer unwinder" + depends on !THUMB2_KERNEL && !CC_IS_CLANG + select ARCH_WANT_FRAME_POINTERS + select FRAME_POINTER help - If you say N here, the resulting kernel will be slightly smaller and - faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, - when a problem occurs with the kernel, the information that is - reported is severely limited. + This option enables the frame pointer unwinder for unwinding + kernel stack traces. -config ARM_UNWIND - bool "Enable stack unwinding support (EXPERIMENTAL)" +config UNWINDER_ARM + bool "ARM EABI stack unwinder" depends on AEABI - default y + select ARM_UNWIND help This option enables stack unwinding support in the kernel using the information automatically generated by the compiler. The resulting kernel image is slightly bigger but the performance is not affected. Currently, this feature - only works with EABI compilers. If unsure say Y. + only works with EABI compilers. + +endchoice -config OLD_MCOUNT +config ARM_UNWIND + bool + +config FRAME_POINTER bool - depends on FUNCTION_TRACER && FRAME_POINTER - default y config DEBUG_USER bool "Verbose user fault messages" @@ -940,12 +947,13 @@ choice config DEBUG_RCAR_GEN2_SCIF0 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" - depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ - ARCH_R8A7792 || ARCH_R8A7793 + depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \ + ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 help Say Y here if you want kernel low-level debugging support - via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), - M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). + via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744), + R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or + M2-N (R8A7793). config DEBUG_RCAR_GEN2_SCIF1 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" @@ -1079,14 +1087,21 @@ choice Say Y here if you want kernel low-level debugging support on SOCFPGA(Cyclone 5 and Arria 5) based platforms. - config DEBUG_SOCFPGA_UART1 + config DEBUG_SOCFPGA_ARRIA10_UART1 depends on ARCH_SOCFPGA - bool "Use SOCFPGA UART1 for low-level debug" + bool "Use SOCFPGA Arria10 UART1 for low-level debug" select DEBUG_UART_8250 help Say Y here if you want kernel low-level debugging support on SOCFPGA(Arria 10) based platforms. + config DEBUG_SOCFPGA_CYCLONE5_UART1 + depends on ARCH_SOCFPGA + bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on SOCFPGA(Cyclone 5 and Arria 5) based platforms. config DEBUG_SUN9I_UART0 bool "Kernel low-level debugging messages via sun9i UART0" @@ -1184,6 +1199,28 @@ choice If unsure, say N. + config STM32F4_DEBUG_UART + bool "Use STM32F4 UART for low-level debug" + depends on ARCH_STM32 + select DEBUG_STM32_UART + help + Say Y here if you want kernel low-level debugging support + on STM32F4 based platforms, which default UART is wired on + USART1. + + If unsure, say N. + + config STM32F7_DEBUG_UART + bool "Use STM32F7 UART for low-level debug" + depends on ARCH_STM32 + select DEBUG_STM32_UART + help + Say Y here if you want kernel low-level debugging support + on STM32F7 based platforms, which default UART is wired on + USART1. + + If unsure, say N. + config TEGRA_DEBUG_UART_AUTO_ODMDATA bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" depends on ARCH_TEGRA @@ -1432,21 +1469,21 @@ config DEBUG_OMAP2PLUS_UART depends on ARCH_OMAP2PLUS config DEBUG_IMX_UART_PORT - int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ - DEBUG_IMX25_UART || \ - DEBUG_IMX21_IMX27_UART || \ - DEBUG_IMX31_UART || \ - DEBUG_IMX35_UART || \ - DEBUG_IMX50_UART || \ - DEBUG_IMX51_UART || \ - DEBUG_IMX53_UART || \ - DEBUG_IMX6Q_UART || \ - DEBUG_IMX6SL_UART || \ - DEBUG_IMX6SX_UART || \ - DEBUG_IMX6UL_UART || \ - DEBUG_IMX7D_UART + int "i.MX Debug UART Port Selection" + depends on DEBUG_IMX1_UART || \ + DEBUG_IMX25_UART || \ + DEBUG_IMX21_IMX27_UART || \ + DEBUG_IMX31_UART || \ + DEBUG_IMX35_UART || \ + DEBUG_IMX50_UART || \ + DEBUG_IMX51_UART || \ + DEBUG_IMX53_UART || \ + DEBUG_IMX6Q_UART || \ + DEBUG_IMX6SL_UART || \ + DEBUG_IMX6SX_UART || \ + DEBUG_IMX6UL_UART || \ + DEBUG_IMX7D_UART default 1 - depends on ARCH_MXC help Choose UART port on which kernel low-level debug messages should be output. @@ -1468,6 +1505,10 @@ config DEBUG_STI_UART bool depends on ARCH_STI +config DEBUG_STM32_UART + bool + depends on ARCH_STM32 + config DEBUG_SIRFSOC_UART bool depends on ARCH_SIRF @@ -1517,6 +1558,7 @@ config DEBUG_LL_INCLUDE default "debug/s5pv210.S" if DEBUG_S5PV210_UART default "debug/sirf.S" if DEBUG_SIRFSOC_UART default "debug/sti.S" if DEBUG_STI_UART + default "debug/stm32.S" if DEBUG_STM32_UART default "debug/tegra.S" if DEBUG_TEGRA_UART default "debug/ux500.S" if DEBUG_UX500_UART default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT @@ -1647,7 +1689,8 @@ config DEBUG_UART_PHYS default 0xfe800000 if ARCH_IOP32X default 0xff690000 if DEBUG_RK32_UART2 default 0xffc02000 if DEBUG_SOCFPGA_UART0 - default 0xffc02100 if DEBUG_SOCFPGA_UART1 + default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 + default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 default 0xffd82340 if ARCH_IOP13XX default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 @@ -1754,7 +1797,8 @@ config DEBUG_UART_VIRT default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 default 0xfec02000 if DEBUG_SOCFPGA_UART0 - default 0xfec02100 if DEBUG_SOCFPGA_UART1 + default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 + default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 @@ -1803,9 +1847,9 @@ config DEBUG_UART_8250_WORD depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 depends on DEBUG_UART_8250_SHIFT >= 2 default y if DEBUG_PICOXCELL_UART || \ - DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ - DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ - DEBUG_ALPINE_UART0 || \ + DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ + DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ + DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \ DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 |