[coreboot-gerrit] Patch set updated for coreboot: c8d0329 acpigen: Add acpigen_emit_eisaid.
Vladimir Serbinenko (phcoder@gmail.com)
gerrit at coreboot.org
Sun Feb 16 01:06:01 CET 2014
Vladimir Serbinenko (phcoder at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5240
-gerrit
commit c8d03295f82cf6bee892c3ee6c252e2bdacb46a8
Author: Vladimir Serbinenko <phcoder at gmail.com>
Date: Sat Feb 15 18:59:40 2014 +0100
acpigen: Add acpigen_emit_eisaid.
Change-Id: Ib92142a133445018cd152dabe299792ba5f36548
Signed-off-by: Vladimir Serbinenko <phcoder at gmail.com>
---
src/arch/x86/boot/acpigen.c | 28 ++++++++++++++++++++++++++++
src/arch/x86/include/arch/acpigen.h | 1 +
2 files changed, 29 insertions(+)
diff --git a/src/arch/x86/boot/acpigen.c b/src/arch/x86/boot/acpigen.c
index 6496d75..affc1b8 100644
--- a/src/arch/x86/boot/acpigen.c
+++ b/src/arch/x86/boot/acpigen.c
@@ -739,3 +739,31 @@ int acpigen_write_mainboard_resources(const char *scope, const char *name)
acpigen_patch_len(len - 1);
return len;
}
+
+static int hex2bin(char c)
+{
+ if (c >= 'A' && c <= 'F')
+ return c - 'A' + 10;
+ if (c >= 'a' && c <= 'f')
+ return c - 'a' + 10;
+ return c - '0';
+}
+
+int acpigen_emit_eisaid(const char *eisaid)
+{
+ u32 compact = 0;
+ compact |= (eisaid[0] - 'A' + 1) << 26;
+ compact |= (eisaid[1] - 'A' + 1) << 21;
+ compact |= (eisaid[2] - 'A' + 1) << 16;
+ compact |= hex2bin (eisaid[3]) << 12;
+ compact |= hex2bin (eisaid[4]) << 8;
+ compact |= hex2bin (eisaid[5]) << 4;
+ compact |= hex2bin (eisaid[6]);
+
+ acpigen_emit_byte(0xc);
+ acpigen_emit_byte((compact >> 24) & 0xff);
+ acpigen_emit_byte((compact >> 16) & 0xff);
+ acpigen_emit_byte((compact >> 8) & 0xff);
+ acpigen_emit_byte(compact & 0xff);
+ return 5;
+}
diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h
index be138ce..9257903 100644
--- a/src/arch/x86/include/arch/acpigen.h
+++ b/src/arch/x86/include/arch/acpigen.h
@@ -62,6 +62,7 @@ int acpigen_write_resourcetemplate_header(void);
int acpigen_write_resourcetemplate_footer(int len);
int acpigen_write_mainboard_resource_template(void);
int acpigen_write_mainboard_resources(const char *scope, const char *name);
+int acpigen_emit_eisaid(const char *eisaid);
int get_cst_entries(acpi_cstate_t **);
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