Initial commit

meta-openembedded/meta-oe/recipes-devtools/pmtools/pmtools/pmtools-switch-to-dynamic-buffer-for-huge-ACPI-table.patch

@@ -0,0 +1,82 @@
+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(-)
+
+--- a/madt/madt.c
++++ b/madt/madt.c
+@@ -34,14 +34,16 @@ typedef unsigned long long u64;
+ //#include <sys/mman.h>
+ #include <stdio.h> // fread
+ #include <stdlib.h> // malloc
++#include <string.h> // memset/memcpy
+ 
+ #include "./tables.c"
+ 
+ int verbose = 0;
+ /*
+-/* read standard input
++ * read standard input
+  * write decoded madt to standard output
+  */
++size_t
+ get_next_entry(acpi_table_entry_header * entry_header)
+ {
+ 	size_t retval;
+@@ -51,9 +53,11 @@ get_next_entry(acpi_table_entry_header *
+ 	return retval;
+ }
+ 
+-u8	buffer[1024];
+ 
+-main()
++u8	buf[1024];
++u8	*buffer = buf;
++int
++main(int argc, char *argv[])
+ {
+ 	size_t retval;
+ 	struct acpi_table_madt *madt_header;
+@@ -75,6 +79,17 @@ 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 +133,9 @@ done:
+ 		printf("Checksum 0x%x != 0; 0x%x in header ERROR\n", csum,
+ 			 madt_header->header.checksum);
+ 
++	if(buffer != buf)
++		free(buffer);
++
+ 	return 0;
+ }
+ 

meta-openembedded/meta-oe/recipes-devtools/pmtools/pmtools_git.bb

@@ -0,0 +1,34 @@
+DESCRIPTION = "This is a small collection of power management \
+    test and investigation tools"
+HOMEPAGE = "http://lesswatts.org/projects/acpi"
+LICENSE = "GPL-2.0-or-later"
+LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3"
+
+PV = "20130209+git${SRCPV}"
+
+SRC_URI = "git://github.com/anyc/pmtools.git;branch=master;protocol=https \
+    file://pmtools-switch-to-dynamic-buffer-for-huge-ACPI-table.patch \
+"
+SRCREV = "3ebe0e54c54061b4c627236cbe35d820de2e1168"
+
+COMPATIBLE_HOST = "(i.86|x86_64).*-linux"
+
+S = "${WORKDIR}/git"
+
+inherit update-alternatives
+
+ALTERNATIVE_PRIORITY = "90"
+ALTERNATIVE:${PN} = "acpixtract acpidump"
+
+do_configure[noexec] = "1"
+do_compile() {
+    oe_runmake
+}
+
+do_install() {
+    install -d ${D}${bindir} ${D}${docdir}
+    install -m 755 ${S}/acpidump/acpidump ${D}${bindir}
+    install -m 755 ${S}/acpixtract/acpixtract ${D}${bindir}
+    install -m 755 ${S}/madt/madt ${D}${bindir}
+    install -m 644 ${S}/README ${D}${docdir}
+}