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Diffstat (limited to 'cmd/acpi.c')
-rw-r--r--cmd/acpi.c64
1 files changed, 34 insertions, 30 deletions
diff --git a/cmd/acpi.c b/cmd/acpi.c
index 7e397d1a74e..89970417a02 100644
--- a/cmd/acpi.c
+++ b/cmd/acpi.c
@@ -17,7 +17,8 @@ DECLARE_GLOBAL_DATA_PTR;
/**
* dump_hdr() - Dump an ACPI header
*
- * If the header is for FACS then it shows the revision information as well
+ * Except for the Firmware ACPI Control Structure (FACS)
+ * additionally show the revision information.
*
* @hdr: ACPI header to dump
*/
@@ -25,7 +26,7 @@ static void dump_hdr(struct acpi_table_header *hdr)
{
bool has_hdr = memcmp(hdr->signature, "FACS", ACPI_NAME_LEN);
- printf("%.*s %08lx %5x", ACPI_NAME_LEN, hdr->signature,
+ printf("%.*s %16lx %5x", ACPI_NAME_LEN, hdr->signature,
(ulong)map_to_sysmem(hdr), hdr->length);
if (has_hdr) {
printf(" v%02d %.6s %.8s %x %.4s %x\n", hdr->revision,
@@ -43,7 +44,7 @@ static int dump_table_name(const char *sig)
hdr = acpi_find_table(sig);
if (!hdr)
return -ENOENT;
- printf("%.*s @ %08lx\n", ACPI_NAME_LEN, hdr->signature,
+ printf("%.*s @ %16lx\n", ACPI_NAME_LEN, hdr->signature,
(ulong)map_to_sysmem(hdr));
print_buffer(0, hdr, 1, hdr->length, 0);
@@ -58,47 +59,50 @@ static void list_fadt(struct acpi_fadt *fadt)
dump_hdr(map_sysmem(fadt->firmware_ctrl, 0));
}
-static int list_rsdt(struct acpi_rsdt *rsdt, struct acpi_xsdt *xsdt)
+static void list_rsdt(struct acpi_rsdp *rsdp)
{
int len, i, count;
+ struct acpi_rsdt *rsdt;
+ struct acpi_xsdt *xsdt;
- dump_hdr(&rsdt->header);
- if (xsdt)
+ if (rsdp->rsdt_address) {
+ rsdt = map_sysmem(rsdp->rsdt_address, 0);
+ dump_hdr(&rsdt->header);
+ }
+ if (rsdp->xsdt_address) {
+ xsdt = map_sysmem(rsdp->xsdt_address, 0);
dump_hdr(&xsdt->header);
- len = rsdt->header.length - sizeof(rsdt->header);
- count = len / sizeof(u32);
+ len = xsdt->header.length - sizeof(xsdt->header);
+ count = len / sizeof(u64);
+ } else if (rsdp->rsdt_address) {
+ len = rsdt->header.length - sizeof(rsdt->header);
+ count = len / sizeof(u32);
+ } else {
+ return;
+ }
+
for (i = 0; i < count; i++) {
struct acpi_table_header *hdr;
+ u64 entry;
- if (!rsdt->entry[i])
+ if (rsdp->xsdt_address)
+ entry = xsdt->entry[i];
+ else
+ entry = rsdt->entry[i];
+ if (!entry)
break;
- hdr = map_sysmem(rsdt->entry[i], 0);
+ hdr = map_sysmem(entry, 0);
dump_hdr(hdr);
if (!memcmp(hdr->signature, "FACP", ACPI_NAME_LEN))
list_fadt((struct acpi_fadt *)hdr);
- if (xsdt) {
- if (xsdt->entry[i] != rsdt->entry[i]) {
- printf(" (xsdt mismatch %llx)\n",
- xsdt->entry[i]);
- }
- }
}
-
- return 0;
}
-static int list_rsdp(struct acpi_rsdp *rsdp)
+static void list_rsdp(struct acpi_rsdp *rsdp)
{
- struct acpi_rsdt *rsdt;
- struct acpi_xsdt *xsdt;
-
- printf("RSDP %08lx %5x v%02d %.6s\n", (ulong)map_to_sysmem(rsdp),
+ printf("RSDP %16lx %5x v%02d %.6s\n", (ulong)map_to_sysmem(rsdp),
rsdp->length, rsdp->revision, rsdp->oem_id);
- rsdt = map_sysmem(rsdp->rsdt_address, 0);
- xsdt = map_sysmem(rsdp->xsdt_address, 0);
- list_rsdt(rsdt, xsdt);
-
- return 0;
+ list_rsdt(rsdp);
}
static int do_acpi_list(struct cmd_tbl *cmdtp, int flag, int argc,
@@ -111,8 +115,8 @@ static int do_acpi_list(struct cmd_tbl *cmdtp, int flag, int argc,
printf("No ACPI tables present\n");
return 0;
}
- printf("Name Base Size Detail\n");
- printf("---- -------- ----- ------\n");
+ printf("Name Base Size Detail\n"
+ "---- ---------------- ----- ----------------------------\n");
list_rsdp(rsdp);
return 0;