Dell PowerEdge 7250 User Manual
Page 28

POST Codes
SR870BN4 Error Reference Guide
Revision
1.0
22
And
BSP+APs
min_state_area for all CPU's
(cpu_data_base+cpu_bspstore_base+cpu_health)cpu_data_base
points to min state save area. TOM below and above 4G.
Allocate sal_mp_info_table data and sal_efi stack area and
legacy_stack (temp).
Initialize legacy stack top and bottom for temporary use during
POST only. INT_15,(FN# F788 in EM code) uses INT-8 timer tick
for frequency calculation. (BSP+APs) Save ID,EID, Initialize
BSPSTORE,SP.
0x87FD
BSP only
Search FIT for legacy BIOS.
South
0x07FD
BSP only
Then hang, if not found.
If found copy top 64K legacy boot block ROM at xxxx:0000.
South
0x87FC
BSP only
Search for legacy_nvm module (sal_legacy_nvm_module_1d).
South
0x07FC
BSP only
Then hang, if not found.
Else continue by saving in RAM.
South
0x87FB
BSP only
Search for efi_nvm module (sal_efi_nvm_module_1e).
South
0x07FB
BSP only
Then hang, if not found.
Else continue by saving in RAM.
Reserve 128k memory for NVM emulation.
South
0x87FA
BSP only
Search for acpi_dsdt module (sal_acpi_data_module_16) Ask for
Address, size, type.
South
0x07FA
BSP only
Then hang, if not found.
Else continue by saving in RAM.
South
0x87F9
BSP only
Search for addition information acpi_dsdt module
Ask for size, align, and scratch buff size.
South
0x07F9
BSP only
Then hang, if not found.
Else continue by saving in RAM.
South
0x87F8
BSP only
Search for addition information acpi_dsdt module.
Initialize scratch buffer.
South
0x07F8
BSP only
Then hang, if not found.
Else continue by saving in RAM.
South
0x87F7
BSP only
Reserve ACPI_64 and ACPI_32 data area.
Reserve MP table data area.
Save SAL data base & size.
SAL shadow top (PELoader + SAL_F).
South
0x87F6
BSP only
Cache flush after PELoader shadow.
South
0x07F6
BSP only
Hang, on ERROR.
South
0x87F5
BSP only
Search for information on SAL_F module (sal_f_module_12).
By size, align, and scratch buff size.
South
0x07F5
BSP only
Then hang, if not found or Information ERROR.
SAL shadow bottom (PELoader + SAL_F)
Find SAL_F page size.
Align to next 32K boundary and save address and size.
South
0x87F4
BSP only
Search for addition information SAL_F module
Initialize scratch buffer.
South
0x07F4
BSP only
Then hang, if not found.
Else continue by saving in RAM.
South
0x87F3
BSP only
Cache flush after SAL shadowed.
South