diff options
Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 1c645172b4b5..32ee759a3fda 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -180,11 +180,11 @@ config HAVE_SMP depends on XTENSA_VARIANT_CUSTOM select XTENSA_MX help - This option is use to indicate that the system-on-a-chip (SOC) + This option is used to indicate that the system-on-a-chip (SOC) supports Multiprocessing. Multiprocessor support implemented above the CPU core definition and currently needs to be selected manually. - Multiprocessor support in implemented with external cache and + Multiprocessor support is implemented with external cache and interrupt controllers. The MX interrupt distributer adds Interprocessor Interrupts @@ -572,15 +572,41 @@ config KERNEL_LOAD_ADDRESS If unsure, leave the default value here. -config VECTORS_OFFSET - hex "Kernel vectors offset" - default 0x00003000 - depends on !XIP_KERNEL +choice + prompt "Relocatable vectors location" + default XTENSA_VECTORS_IN_TEXT help - This is the offset of the kernel image from the relocatable vectors - base. + Choose whether relocatable vectors are merged into the kernel .text + or placed separately at runtime. This option does not affect + configurations without VECBASE register where vectors are always + placed at their hardware-defined locations. - If unsure, leave the default value here. +config XTENSA_VECTORS_IN_TEXT + bool "Merge relocatable vectors into kernel text" + depends on !MTD_XIP + help + This option puts relocatable vectors into the kernel .text section + with proper alignment. + This is a safe choice for most configurations. + +config XTENSA_VECTORS_SEPARATE + bool "Put relocatable vectors at fixed address" + help + This option puts relocatable vectors at specific virtual address. + Vectors are merged with the .init data in the kernel image and + are copied into their designated location during kernel startup. + Use it to put vectors into IRAM or out of FLASH on kernels with + XIP-aware MTD support. + +endchoice + +config VECTORS_ADDR + hex "Kernel vectors virtual address" + default 0x00000000 + depends on XTENSA_VECTORS_SEPARATE + help + This is the virtual address of the (relocatable) vectors base. + It must be within KSEG if MMU is used. config XIP_DATA_ADDR hex "XIP kernel data virtual address" |