From d1e063beb43e595680c65e3804d1f8ddff53373b Mon Sep 17 00:00:00 2001
From: Guido Guenther <agx@sigxcpu.org>
Date: Sat, 18 Nov 2006 23:48:07 +0100
Subject: Imported Debian version 0.3.8.8

---
 common/.cvsignore         |  1 +
 common/Makefile           | 16 +++++++++++++++
 common/print_loadaddr.c   | 30 ++++++++++++++++++++++++++++
 common/print_outputformat |  9 +++++++++
 common/subarch.h          | 51 +++++++++++++++++++++++++++++++++++++++++++++++
 common/version.h          |  1 +
 6 files changed, 108 insertions(+)
 create mode 100644 common/.cvsignore
 create mode 100644 common/Makefile
 create mode 100644 common/print_loadaddr.c
 create mode 100755 common/print_outputformat
 create mode 100644 common/subarch.h
 create mode 100644 common/version.h

(limited to 'common')

diff --git a/common/.cvsignore b/common/.cvsignore
new file mode 100644
index 0000000..d2b1118
--- /dev/null
+++ b/common/.cvsignore
@@ -0,0 +1 @@
+print_loadaddr
diff --git a/common/Makefile b/common/Makefile
new file mode 100644
index 0000000..2f160e3
--- /dev/null
+++ b/common/Makefile
@@ -0,0 +1,16 @@
+SUBARCH ?= IP22
+
+CFLAGS += -Wall -O2 -I. -I../arclib -DSUBARCH=${SUBARCH}
+
+HOSTCC = $(CC)
+HOSTCFLAGS += -Wall -O2 -DSUBARCH=$(SUBARCH)
+
+all: print_loadaddr
+
+print_loadaddr: print_loadaddr.c subarch.h version.h
+	$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
+
+install: print_loadaddr
+
+clean:
+	rm -f print_loadaddr *~ tags
diff --git a/common/print_loadaddr.c b/common/print_loadaddr.c
new file mode 100644
index 0000000..17d648d
--- /dev/null
+++ b/common/print_loadaddr.c
@@ -0,0 +1,30 @@
+/* small helper to get the current subarch's loaddr */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <strings.h>
+
+#include "subarch.h"
+
+int main(int argc, char *argv[])
+{
+	int subarch = SUBARCH;
+
+	if (argc == 2) {
+		if (!strcasecmp(argv[1], "ip22"))
+			subarch = IP22;
+		else if (!strcasecmp(argv[1], "ip32"))
+			subarch = IP32;
+		else {
+			fprintf(stderr,
+				"Unknown subarchitecture %s requested\n",
+				argv[1]);
+			return 1;
+		}
+	}
+
+	printf("%#08x\n", kernel_load[subarch].base
+	       + kernel_load[subarch].reserved);
+
+	return 0;
+}
diff --git a/common/print_outputformat b/common/print_outputformat
new file mode 100755
index 0000000..5593a3c
--- /dev/null
+++ b/common/print_outputformat
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# default to ecoff
+
+case $1 in
+	ip32 | IP32) echo "elf32-tradbigmips" ;;
+	ip22 | IP22) echo "ecoff-bigmips" ;;
+	*) echo "ecoff-bigmips" ;;
+esac
diff --git a/common/subarch.h b/common/subarch.h
new file mode 100644
index 0000000..eba5ef0
--- /dev/null
+++ b/common/subarch.h
@@ -0,0 +1,51 @@
+/*
+ * subarch specific definitions
+ */
+
+#ifndef SUBARCH_H
+#define SUBARCH_H
+
+#include <stdint.h>
+
+#define PAGE_SIZE	4096
+#define STACK_PAGES	16
+
+/* supported subarches */
+#define IP22 	0
+#define IP32 	1
+
+/*
+ *  Reserve this memory for loading kernel
+ *  Don't put loader structures there because they would be overwritten
+ *
+ *  We put the loader right after the kernel so you won't have the
+ *  full reserved space since the prom puts the stack right below
+ *  the loader.
+ */
+struct kernel_load_block {
+	uint32_t base;
+	uint32_t reserved;
+};
+
+struct kernel_load_block kernel_load[] = {
+	{ /* IP22 */
+	.base =     0x88002000,
+	.reserved =   0x800000,
+	},
+	{ /* IP32 */
+	.base     = 0x80004000,
+	.reserved =  0x1400000,
+	},
+};
+
+/* we filter these out of the command line */
+char* env_vars[] = { "ConsoleIn=",
+                     "ConsoleOut=",
+                     "OSLoader=",
+                     "OSLoadPartition=",
+                     "OSLoadFilename=",
+                     "OSLoadOptions=",
+                   };
+#define NENTS(foo) ((sizeof((foo)) / (sizeof((foo[0])))))
+
+#endif
diff --git a/common/version.h b/common/version.h
new file mode 100644
index 0000000..c144648
--- /dev/null
+++ b/common/version.h
@@ -0,0 +1 @@
+#define __ARCSBOOT_VERSION__ "0.3.8.8"
-- 
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