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path: root/src/cpu/intel/microcode/microcode_asm.S
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2019-01-09cpu/intel/microcode_asm.S: Fix reading cpuid(1) and checking PFArthur Heymans
The value of %ebx was clobbered later on by a cpuid call. A bitwise and needs to be used to check processor flags. Change-Id: I29f1fddfe3cc2cbfc7c843b6aff7425f32e12317 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/30680 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2019-01-08arch/x86: Link walkcbfs.S instead of including itArthur Heymans
Link walkfcbfs.S in the C_ENVIRONMENT_BOOTBLOCK case and also in the romstage. This is useful for cbfs access in pre-CAR environments. Change-Id: I9a17cdf01c7cbc3c9ac45ed1f075731f3e32f64b Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/30681 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2018-12-31src/cpu/microcode: Add code to update microcode in assemblyArthur Heymans
Add code to update microcode from cbfsfiles using assembly. Change-Id: I8bd192f3f345651db0010239f99293ae63b00652 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/27091 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>