Intel SR870BN4 - Server Platform - 0 MB RAM Product Manual page 275

Table 51. SAL-B POST Codes (continued)
Code BSP, APs,
Number Both
0x87E2 BSP + APs
0x87E1 BSP + APs
0x07E1 BSP + APs
0x87E0 BSP + APs
0x87DF BSP + APs
0x87DE BSP + APs
0x87DD APs
0x87DC BSP only
SAL-F Module
Table 52. SAL-F POST Codes
Code BSP, APs,
Value Both
0x87BF BSP
0x87BE BSP
0x07BE BSP
0x87BD BSP
0x07BD BSP
0x87BC BSP
0x07BC BSP
0x87BB BSP
0x07BB BSP
0x87BA BSP
0x07BA BSP
0x87B9 BSP
0x07B9 BSP
Intel® SR870BN4 Server System Product Guide
Meaning
pal_mc_register_mem_1b/find CPU min state pointer
Should be able now to initialize health, bsp/ap, cache size line
size, sapic ver, and cpuid
Set minimal state save area, BSPSTORE and SP
Cache flush shadow
Hang if ERROR
Program IVA,ITR(0) for PAL,SAL runtime code & data area
cr.iva/cr.ifa/cr.itir/itr[r0]
Clear semaphore and wait for all CPUs to synchronize
Sort CPU health. Already sorted for 2nd level BSP selection.
Store BSP/AP flag for respective CPU
Setup for interrupt wakeup re-initialization of BSPSTORE and SP
if needed. Wait for interrupt wakeup
Switch to virtual address Control register programming SET in
PSR bn(44), it(36), rt(27), dt(17), ic(13)
Clear task priority register=cr.tpr
Clear interruption function state register-cr.ifs
Set legacy BIOS cs.base and ss.base
Set es,ds,fs,gs=0 with 4G limit Legacy BIOS module (eip)
Give control at xxxx:e05b to IA32 code
Meaning
First check point. Check point in v6b00_83_ip2x. Update EBDA
entry inside SST Create EFI memory descriptor Update SST
checksum
Check point near v6b00_83_5 Search FIT for ACPI module
(SAL_C_module_17) and get size, align, scratch buff size
Hang if ERROR
Load image by module type (sal_c_module_17). Use PELoader
Hang if not found. Get entry point, and GP value
Load image by module type (sal_c_module_17). Flush cache
Hang on ERROR. Build MP & ACPI table
Initialize memory manager (0x0) by call to SAL_C
Hang on ERROR
Feed system information (0x1) with call to SAL_C
Hang on ERROR
Initialize MP table v1.4 (0x2) with call to SAL_C
Hang on ERROR
Display
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