30 Apr
2015
30 Apr
'15
8:09 a.m.
On Thu, Apr 30, 2015 at 12:25 PM, Simon Glass sjg@chromium.org wrote:
Most modern x86 CPUs include more than one CPU core. The OS normally requires that these 'Application Processors' (APs) be brought up by the boot loader. Add the required support to U-Boot to init additional APs.
Signed-off-by: Simon Glass sjg@chromium.org
Reviewed-by: Bin Meng bmeng.cn@gmail.com
Changes in v3:
- Rename CONFIG_STACK_SIZE to CONFIG_AP_STACK_SIZE
- Remove sipi_vector_location and sipi_vector_location_size variables
- Remove annoying /* 1ms */ comments
- Rename sipi.S to sipi_vector.S
- Correct 'ap_start32' to 'ap_start'
- Use macros for cr0 bit fields
- Correct style in a multi-line comment
- Use UCODE_HEADER_LEN instead of 48
- Remove unnecessary underscores in MP_FR_BLOCK_APS and MP_FR_NOBLOCK_APS
- Use 'cpu number' instead of 'coreboot cpu number'
- Remove a stray blank line in sipi.h
- Enhance comment for @microcode_lock
- Rename SMM_DEFAULT_BASE/SIZE to AP_DEFAULT_BASE/SIZE and drop smm.h
- Use data32 instead of our own 'o32'
- Move NUM_FIXED_MTRRS to mtrr.h
- Avoid using asmlinkage on ap_init()
[snip]
Regards, Bin