2 files changed, 69 insertions, 1 deletions

diff --git a/meta-oe/recipes-devtools/pmtools/pmtools/pmtools-switch-to-dynamic-buffer-for-huge-ACPI-table.patch b/meta-oe/recipes-devtools/pmtools/pmtools/pmtools-switch-to-dynamic-buffer-for-huge-ACPI-table.patch
new file mode 100644
index 000000000..7ccdab0f2
--- /dev/null
+++ b/meta-oe/recipes-devtools/pmtools/pmtools/pmtools-switch-to-dynamic-buffer-for-huge-ACPI-table.patch
@@ -0,0 +1,66 @@
+From 03a886252f6555d6b0af76b654e76459642b89da Mon Sep 17 00:00:00 2001
+From: Yunguo Wei <yunguo.wei@windriver.com>
+Date: Tue, 3 Dec 2013 18:12:50 +0800
+Subject: [PATCH] pmtools: switch to dynamic buffer for huge ACPI tables
+
+For servers like Canoe Pass or Thunder Ridge, there are much more
+entries in ACPI table, so original 1K buffer is insufficient.
+
+We switch to dynamic buffer on this situation.
+
+Signed-off-by: Yunguo Wei <yunguo.wei@windriver.com>
+
+
+Upstream-Status: Pending
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+---
+ madt/madt.c | 18 +++++++++++++++++-
+ 1 file changed, 17 insertions(+), 1 deletion(-)
+
+diff --git a/madt/madt.c b/madt/madt.c
+index aed965c..8770cd5 100644
+--- a/madt/madt.c
++++ b/madt/madt.c
+@@ -51,7 +51,9 @@ get_next_entry(acpi_table_entry_header * entry_header)
+        return retval;
+ }
+ 
+-u8     buffer[1024];
++
++u8     buf[1024];
++u8     *buffer = buf;
+ 
+ main()
+ {
+@@ -75,6 +77,17 @@ main()
+ 
+        if (verbose) printf("header.length %d\n", madt_header->header.length);
+ 
++       /* if 1K buffer is insufficient for acpi table, switch to a larger memory buffer */
++       if(expected_length > sizeof(buf)) {
++               buffer = malloc(expected_length);
++               if (!buffer) {
++                       perror("malloc");
++                       exit(1);
++               }
++               memset(buffer, 0, expected_length);
++               memcpy(buffer, buf, sizeof(struct acpi_table_madt));
++       }
++
+        acpi_table_print((void*)&(buffer[bytes_read]), 0);
+ 
+        bytes_read = sizeof(struct acpi_table_madt);
+@@ -118,6 +131,9 @@ done:
+                printf("Checksum 0x%x != 0; 0x%x in header ERROR\n", csum,
+                         madt_header->header.checksum);
+ 
++       if(buffer != buf)
++               free(buffer);
++
+        return 0;
+ }
+ 
+-- 
+1.8.1.2
+
diff --git a/meta-oe/recipes-devtools/pmtools/pmtools_git.bb b/meta-oe/recipes-devtools/pmtools/pmtools_git.bb
index 602da5e20..22ed8e2ff 100644
--- a/meta-oe/recipes-devtools/pmtools/pmtools_git.bb
+++ b/meta-oe/recipes-devtools/pmtools/pmtools_git.bb
@@ -6,7 +6,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3"
 
 PV = "20130209+git${SRCPV}"
 
-SRC_URI = "git://github.com/anyc/pmtools.git;protocol=https"
+SRC_URI = "git://github.com/anyc/pmtools.git \
+    file://pmtools-switch-to-dynamic-buffer-for-huge-ACPI-table.patch \
+"
 SRCREV = "3ebe0e54c54061b4c627236cbe35d820de2e1168"
 
 COMPATIBLE_HOST = "(i.86|x86_64).*-linux"