New patch to review for coreboot: 275cd42 arch/x86: Provide rudimentary ACPI debugging facilities

[Edward O'Callaghan]

Edward O'Callaghan ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5552

-gerrit

commit 275cd426d736505932a2f156b54dbf775cb965e8
Author: Edward O'Callaghan 
Date:   Sun Apr 20 04:19:58 2014 +1000

arch/x86: Provide rudimentary ACPI debugging facilities

NOTFORMERGE

Change-Id: I90b153698fefeb28c0ed0693c18d91d85fc3717b
    Signed-off-by: Edward O'Callaghan 
---
 src/arch/x86/boot/acpi.c         | 60 ++++++++++++++++++++++++++++++++++++++++
 src/arch/x86/include/arch/acpi.h | 15 ++++++++++
 2 files changed, 75 insertions(+)

diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c
index 0e09ec5..954acb8 100644
--- a/src/arch/x86/boot/acpi.c
+++ b/src/arch/x86/boot/acpi.c
@@ -42,6 +42,66 @@
 #define CONFIG_HPET_MIN_TICKS 0x1000
 #endif

+#include <lib.h> /* used for hexdump for CONFIG_DEBUG_ACPI */
+
+/*
+ * Dump ACPI tables
+ */
+void acpi_dump_tables(acpi_debug_t * t)
+{
+	if (t == NULL) return;
+
+	if (t->rsdp != NULL) {
+		printk(BIOS_DEBUG, "rsdp\n");
+		hexdump(t->rsdp, sizeof(acpi_rsdp_t));
+	}
+
+	if (t->rsdt != NULL) {
+		printk(BIOS_DEBUG, "rsdt\n");
+		hexdump(t->rsdt, sizeof(acpi_rsdt_t));
+	}
+
+	if (t->madt != NULL) {
+		printk(BIOS_DEBUG, "madt\n");
+		hexdump(t->madt, t->madt->header.length);
+	}
+
+	if (t->srat != NULL) {
+		printk(BIOS_DEBUG, "srat\n");
+		hexdump(t->srat, t->srat->header.length);
+	}
+
+	if (t->slit != NULL) {
+		printk(BIOS_DEBUG, "slit\n");
+		hexdump(t->slit, t->slit->header.length);
+	}
+
+	if (t->alib != NULL) {
+		printk(BIOS_DEBUG, "alib\n");
+		hexdump(t->ssdt, t->alib->length);
+	}
+
+	if (t->ssdt != NULL) {
+		printk(BIOS_DEBUG, "ssdt\n");
+		hexdump(t->ssdt, t->ssdt->length);
+	}
+
+	if (t->ssdt2 != NULL) {
+		printk(BIOS_DEBUG, "ssdt2\n");
+		hexdump(t->ssdt2, t->ssdt2->length);
+	}
+
+	if (t->fadt != NULL) {
+		printk(BIOS_DEBUG, "fadt\n");
+		hexdump(t->fadt, t->fadt->header.length);
+	}
+
+	if (t->hest != NULL) {
+		printk(BIOS_DEBUG, "hest\n");
+		hexdump(t->hest, t->hest->header.length);
+	}
+}
+
 u8 acpi_checksum(u8 *table, u32 length)
 {
    u8 ret = 0;
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index d73c046..31547c7 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -498,6 +498,21 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs, void *dsdt);
 void update_ssdt(void *ssdt);
 void update_ssdtx(void *ssdtx, int i);

+typedef struct {
+	acpi_rsdp_t *rsdp;
+	acpi_rsdt_t *rsdt;
+	acpi_madt_t *madt;
+	acpi_srat_t *srat;
+	acpi_slit_t *slit;
+	acpi_header_t *alib;
+	acpi_header_t *ssdt;
+	acpi_header_t *ssdt2;
+	acpi_fadt_t *fadt;
+	acpi_hest_t *hest;
+} acpi_debug_t;
+
+void acpi_dump_tables(acpi_debug_t * t);
+
 /* These can be used by the target port. */
 u8 acpi_checksum(u8 *table, u32 length);