[SerialICE] Patch set updated for serialice: b1eaa83 Add AMD microcode updating filter.

[Denis Carikli (GNUtoo@no-log.org)]

Denis Carikli (GNUtoo at no-log.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1945

-gerrit

commit b1eaa8310990174ab7b1efb287e8419ffacb56ad
Author: Denis 'GNUtoo' Carikli <GNUtoo at no-log.org>
Date:   Thu Nov 29 22:25:35 2012 +0100

    Add AMD microcode updating filter.
    
    0x010000b7 is what corresponds to the microcode patch level
      of my CPU.
    
    Change-Id: If6d72bfdbd9b9f78cd5774db82c401b638f35046
    Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo at no-log.org>
---
 SerialICE/simba/cpu.lua | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/SerialICE/simba/cpu.lua b/SerialICE/simba/cpu.lua
index be04825..c440b4b 100644
--- a/SerialICE/simba/cpu.lua
+++ b/SerialICE/simba/cpu.lua
@@ -129,3 +129,31 @@ filter_intel_microcode = {
 	pre = intel_microcode_pre,
 	post = intel_microcode_post,
 }
+
+-- AMD CPU microcode update
+function amd_microcode_pre(f, action)
+	if action.rin.ecx == 0xc0010020 then
+		--action.dropped = true
+		--action.rout.edx = 0
+		--action.rout.eax = 0xffff0000
+		return drop_action(f, action)
+	end
+	return skip_filter(f, action)
+end
+
+-- AMD CPU microcode revision check
+-- Fakes microcode revision.
+function amd_microcode_post(f, action)
+	if action.rin.ecx == 0x8b then
+		action.rout.eax = 0x010000b7
+		return fake_action(f, action, 0)
+	end
+	return skip_filter(f, action)
+end
+
+filter_amd_microcode = {
+	id = -1,
+	name = "Microcode Update",
+	pre = amd_microcode_pre,
+	post = amd_microcode_post,
+}