diff options
Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 524413aabbc4..2332b2156993 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -85,6 +85,12 @@ config KASAN_SHADOW_OFFSET hex default 0x6e400000 +config CPU_BIG_ENDIAN + def_bool $(success,test "$(shell,echo __XTENSA_EB__ | $(CC) -E -P -)" = 1) + +config CPU_LITTLE_ENDIAN + def_bool !CPU_BIG_ENDIAN + menu "Processor type and features" choice @@ -388,6 +394,28 @@ config PARSE_BOOTPARAM If unsure, say Y. +choice + prompt "Semihosting interface" + default XTENSA_SIMCALL_ISS + depends on XTENSA_PLATFORM_ISS + help + Choose semihosting interface that will be used for serial port, + block device and networking. + +config XTENSA_SIMCALL_ISS + bool "simcall" + help + Use simcall instruction. simcall is only available on simulators, + it does nothing on hardware. + +config XTENSA_SIMCALL_GDBIO + bool "GDBIO" + help + Use break instruction. It is available on real hardware when GDB + is attached to it via JTAG. + +endchoice + config BLK_DEV_SIMDISK tristate "Host file-based simulated block device support" default n @@ -467,7 +495,7 @@ config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX then enter your normal kernel breakpoints once the MMU was mapped to the kernel mappings (0XC0000000). - This unfortunately won't work for U-Boot and likely also wont + This unfortunately won't work for U-Boot and likely also won't work for using KEXEC to have a hot kernel ready for doing a KDUMP. |