Function report |
Source Code:arch\x86\kernel\cpu\microcode\intel.c |
Create Date:2022-07-28 08:08:14 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:Given CPU signature and a microcode patch, this function finds if the* microcode patch has matching family and model with the CPU.* %true - if there's a match* %false - otherwise
Proto:static bool microcode_matches(struct microcode_header_intel *mc_header, unsigned long sig)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
struct microcode_header_intel * | mc_header | |
unsigned long | sig |
113 | total_size = get_totalsize(mc_header) |
114 | data_size = get_datasize(mc_header) |
121 | fam = x86_family(sig) |
124 | fam_ucode = x86_family(sig) |
125 | model_ucode = x86_model(sig) |
127 | If fam == fam_ucode && model == model_ucode Then Return true |
131 | If total_size <= data_size + MC_HEADER_SIZE Then Return false |
134 | ext_header = mc_header + data_size + MC_HEADER_SIZE |
135 | ext_sig = ext_header + EXT_HEADER_SIZE |
136 | ext_sigcount = count |
138 | When i < ext_sigcount cycle |
139 | fam_ucode = x86_family(sig) |
140 | model_ucode = x86_model(sig) |
142 | If fam == fam_ucode && model == model_ucode Then Return true |
145 | ext_sig++ |
147 | Return false |
Name | Describe |
---|---|
scan_microcode | Get microcode matching with BSP's model. Only CPUs with the same model as* BSP can stay in the platform. |
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