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authorbenno <benno@FreeBSD.org>2001-10-07 13:24:56 +0000
committerbenno <benno@FreeBSD.org>2001-10-07 13:24:56 +0000
commit0c1686270f3438c5ef9b78cdba38a0123ecb875a (patch)
treebc20a4635766eb65058f3337f7dd4e71e5a4f03c /sys/boot/ofw/libofw
parent994f7977f13d1c6ac31ef785fbbc104972efe7b3 (diff)
downloadFreeBSD-src-0c1686270f3438c5ef9b78cdba38a0123ecb875a.zip
FreeBSD-src-0c1686270f3438c5ef9b78cdba38a0123ecb875a.tar.gz
Add new files needed by previous commit.
Diffstat (limited to 'sys/boot/ofw/libofw')
-rw-r--r--sys/boot/ofw/libofw/elf_freebsd.c117
-rw-r--r--sys/boot/ofw/libofw/ofw_memory.c104
2 files changed, 221 insertions, 0 deletions
diff --git a/sys/boot/ofw/libofw/elf_freebsd.c b/sys/boot/ofw/libofw/elf_freebsd.c
new file mode 100644
index 0000000..b6c86ba
--- /dev/null
+++ b/sys/boot/ofw/libofw/elf_freebsd.c
@@ -0,0 +1,117 @@
+/*-
+ * Copyright (c) 2001 Benno Rice <benno@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/linker.h>
+
+#include <machine/bootinfo.h>
+#include <machine/elf.h>
+
+#include <stand.h>
+
+#include "bootstrap.h"
+#include "libofw.h"
+#include "openfirm.h"
+
+extern char end[];
+extern vm_offset_t reloc; /* From <arch>/conf.c */
+
+int
+ofw_elf_loadfile(char *filename, vm_offset_t dest,
+ struct preloaded_file **result)
+{
+ int r;
+ void *addr;
+
+ r = elf_loadfile(filename, dest, result);
+ if (r != 0)
+ return (r);
+
+ addr = OF_claim((void *)(*result)->f_addr, (*result)->f_size, 0);
+
+ if (addr == (void *)-1 || addr != (void *)(*result)->f_addr)
+ return (ENOMEM);
+
+ return (0);
+}
+
+int
+ofw_elf_exec(struct preloaded_file *fp)
+{
+ struct file_metadata *md;
+ Elf_Ehdr *ehdr;
+ vm_offset_t entry, bootinfop;
+ int boothowto, err, bootdev;
+ struct bootinfo *bi;
+ vm_offset_t ssym, esym;
+
+ if ((md = file_findmetadata(fp, MODINFOMD_ELFHDR)) == NULL) {
+ return(EFTYPE); /* XXX actually EFUCKUP */
+ }
+ ehdr = (Elf_Ehdr *)&(md->md_data);
+
+#if 0
+ if ((err = bi_load(fp->f_args, &boothowto, &bootdev, &bootinfop)) != 0)
+ return(err);
+#endif
+ entry = ehdr->e_entry & 0xffffff;
+
+ ssym = esym = 0;
+ if ((md = file_findmetadata(fp, MODINFOMD_SSYM)) != NULL)
+ ssym = *((vm_offset_t *)&(md->md_data));
+ if ((md = file_findmetadata(fp, MODINFOMD_ESYM)) != NULL)
+ esym = *((vm_offset_t *)&(md->md_data));
+ if (ssym == 0 || esym == 0)
+ ssym = esym = 0; /* sanity */
+#if 0
+ bi = (struct bootinfo *)PTOV(bootinfop);
+ bi->bi_symtab = ssym;
+ bi->bi_esymtab = esym;
+#endif
+
+/*
+#ifdef DEBUG
+*/
+ printf("Start @ 0x%lx ...\n", entry);
+/*
+#endif
+*/
+
+ dev_cleanup();
+ ofw_release_heap();
+/* OF_chain(0, 0, entry, bootinfop, sizeof(struct bootinfo));*/
+ OF_chain((void *)reloc, end - (char *)reloc, (void *)entry, NULL, 0);
+
+ panic("exec returned");
+}
+
+struct file_format ofw_elf =
+{
+ ofw_elf_loadfile,
+ ofw_elf_exec
+};
diff --git a/sys/boot/ofw/libofw/ofw_memory.c b/sys/boot/ofw/libofw/ofw_memory.c
new file mode 100644
index 0000000..132800a
--- /dev/null
+++ b/sys/boot/ofw/libofw/ofw_memory.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2001 Benno Rice
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+
+#include <stand.h>
+
+#include "libofw.h"
+#include "openfirm.h"
+
+static void *heap_base = 0;
+static unsigned int heap_size = 0;
+
+struct ofw_mapping {
+ vm_offset_t va;
+ int len;
+ vm_offset_t pa;
+ int mode;
+};
+
+void
+ofw_memmap(void)
+{
+ ihandle_t mmui;
+ phandle_t mmu;
+ int nmapping, i;
+ struct ofw_mapping mappings[256];
+
+ OF_getprop(chosen, "mmu", &mmui, 4);
+ mmu = OF_instance_to_package(mmui);
+
+ bzero(mappings, sizeof(mappings));
+
+ nmapping = OF_getprop(mmu, "translations", mappings, sizeof(mappings));
+ if (nmapping == -1) {
+ printf("Could not get memory map (%d)\n",
+ nmapping);
+ return;
+ }
+ nmapping /= sizeof(struct ofw_mapping);
+
+ printf("%17s %17s %8s %6s\n", "Virtual Range", "Physical Range",
+ "#Pages", "Mode");
+
+ for (i = 0; i < nmapping; i++) {
+ printf("%08x-%08x %08x-%08x %8d %6x\n", mappings[i].pa,
+ mappings[i].pa + mappings[i].len, mappings[i].va,
+ mappings[i].va + mappings[i].len, mappings[i].len / 0x1000,
+ mappings[i].mode);
+ }
+}
+
+void *
+ofw_alloc_heap(unsigned int size)
+{
+ ihandle_t meminstance;
+ phandle_t memory;
+ struct ofw_reg available;
+ void *base;
+
+ OF_getprop(chosen, "memory", &meminstance, sizeof(meminstance));
+ memory = OF_instance_to_package(meminstance);
+ OF_getprop(memory, "available", &available, sizeof(available));
+
+ heap_base = OF_claim((void *)available.base, size, 4);
+
+ if (heap_base != (void *)0xffffffff) {
+ heap_size = size;
+ }
+
+ return (heap_base);
+}
+
+void
+ofw_release_heap(void)
+{
+ OF_release(heap_base, heap_size);
+}
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