Bug#752410: libdebian-installer: ppc64el support

[Frederic Bonnard <frediz@linux.vnet.ibm.com>]

Package: libdebian-installer
Version: 0.91
Severity: normal
Tags: patch
User: debian-powerpc@lists.debian.org
Usertags: ppc64el


Dear Maintainer,

here is a patch from Ubuntu for ppc64el support in libdebian-installer.

F.

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: ppc64el (ppc64le)

Kernel: Linux 3.14-1-powerpc64le (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8)
Shell: /bin/sh linked to /bin/dash

diff -Nru libdebian-installer-0.91/src/system/Makefile.am libdebian-installer-0.91/src/system/Makefile.am
--- libdebian-installer-0.91/src/system/Makefile.am	2013-12-28 08:51:24.000000000 +0000
+++ libdebian-installer-0.91/src/system/Makefile.am	2014-05-20 10:28:31.000000000 +0000
@@ -21,6 +21,7 @@
 	subarch-mips-linux.c \
 	subarch-mipsel-linux.c \
 	subarch-powerpc-linux.c \
+	subarch-ppc64el-linux.c \
 	subarch-sh4-linux.c \
 	subarch-sparc-linux.c \
 	subarch-x86-linux.c \
diff -Nru libdebian-installer-0.91/src/system/subarch-ppc64el-linux.c libdebian-installer-0.91/src/system/subarch-ppc64el-linux.c
--- libdebian-installer-0.91/src/system/subarch-ppc64el-linux.c	1970-01-01 00:00:00.000000000 +0000
+++ libdebian-installer-0.91/src/system/subarch-ppc64el-linux.c	2014-05-20 10:28:31.000000000 +0000
@@ -0,0 +1,92 @@
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+
+#include <debian-installer/system/subarch.h>
+
+struct map {
+	char *entry;
+	char *ret;
+};
+
+static struct map map_generation[] = {
+	{ "OldWorld", "powermac_oldworld" },
+	{ "NewWorld", "powermac_newworld" },
+	{ "NuBus", "powermac_nubus" },
+	{ NULL, NULL }
+};
+
+static struct map map_machine[] = {
+	{ "PReP", "prep" },
+	{ "CHRP Pegasos", "chrp_pegasos" },
+	{ "EFIKA", "chrp_pegasos" },
+	{ "CHRP IBM", "chrp_rs6k" },
+	{ "CHRP", "chrp" },
+	{ "Amiga", "amiga" },
+	{ "64-bit iSeries Logical Partition", "iseries" },
+	{ NULL, NULL }
+};
+
+static struct map map_platform[] = {
+	{ "PS3", "ps3" },
+	{ "Cell", "cell" },
+	{ "PA Semi", "pasemi" },
+	{ "Maple", "chrp_ibm" },
+	{ "pSeries", "chrp_ibm" },
+	{ "P4080 DS", "fsl" },
+	{ "QEMU e500", "fsl" },
+	{ NULL, NULL }
+};
+
+static char *check_map(struct map map[], const char *entry)
+{
+	for (; map->entry; map++)
+		if (!strncasecmp(map->entry, entry, strlen(map->entry)))
+			return map->ret;
+
+	return NULL;
+}
+
+const char *di_system_subarch_analyze(void)
+{
+	FILE *cpuinfo;
+	char line[1024];
+	char cpuinfo_platform[256], cpuinfo_machine[256], cpuinfo_generation[256];
+	char *ret, *pos;
+
+	cpuinfo = fopen("/proc/cpuinfo", "r");
+	if (cpuinfo == NULL)
+		return "unknown";
+
+	while (fgets(line, sizeof(line), cpuinfo) != NULL) {
+		pos = strchr(line, ':');
+		if (pos == NULL)
+			continue;
+		while (*++pos && (*pos == '\t' || *pos == ' '));
+
+		if (strstr(line, "platform") == line)
+			strncpy(cpuinfo_platform, pos, sizeof(cpuinfo_platform));
+
+		if (strstr(line, "machine") == line)
+			strncpy(cpuinfo_machine, pos, sizeof(cpuinfo_machine));
+
+		if (strstr(line, "pmac-generation") == line)
+			strncpy(cpuinfo_generation, pos, sizeof(cpuinfo_generation));
+	}
+
+	fclose(cpuinfo);
+
+	ret = check_map(map_platform, cpuinfo_platform);
+	if (ret)
+		return ret;
+	ret = check_map(map_machine, cpuinfo_machine);
+	if (ret)
+		return ret;
+	ret = check_map(map_generation, cpuinfo_generation);
+	if (ret)
+		return ret;
+
+	return "unknown";
+}