199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * from: FreeBSD: src/sys/boot/i386/libi386/bootinfo.c,v 1.29
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic int md_bootserial(void);
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Parse kargs */
199767f8919635c4928607450d9e0abb932109ceToomas Soome while (*cp != 0) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* get equivalents from the environment */
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (OF_getprop(node, "input-device", buf, sizeof(buf)) == -1)
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (OF_getprop(node, "output-device", buf, sizeof(buf)) == -1)
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (input == -1 || output == -1 || OF_getproplen(input, "keyboard") >= 0) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (OF_getprop(node, "stdin", &inst, sizeof(inst)) == -1)
199767f8919635c4928607450d9e0abb932109ceToomas Soome if ((input = OF_instance_to_package(inst)) == -1)
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (OF_getprop(node, "stdout", &inst, sizeof(inst)) == -1)
199767f8919635c4928607450d9e0abb932109ceToomas Soome if ((output = OF_instance_to_package(inst)) == -1)
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (OF_getprop(input, "device_type", buf, sizeof(buf)) == -1)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copy the environment into the load area starting at (addr).
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Each variable is formatted as <name>=<value>, with a single nul
199767f8919635c4928607450d9e0abb932109ceToomas Soome * separating each variable, and a double nul terminating the environment.
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* traverse the environment */
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (ep = environ; ep != NULL; ep = ep->ev_next) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome archsw.arch_copyin(ep->ev_name, addr, strlen(ep->ev_name));
199767f8919635c4928607450d9e0abb932109ceToomas Soome archsw.arch_copyin(ep->ev_value, addr, strlen(ep->ev_value));
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copy module-related data into the load area, where it can be
199767f8919635c4928607450d9e0abb932109ceToomas Soome * used as a directory for loaded modules.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Module data is presented in a self-describing format. Each datum
199767f8919635c4928607450d9e0abb932109ceToomas Soome * is preceded by a 32-bit identifier and a 32-bit size field.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Currently, the following data are saved:
199767f8919635c4928607450d9e0abb932109ceToomas Soome * MOD_NAME (variable) module name (string)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * MOD_TYPE (variable) module type (string)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * MOD_ARGS (variable) module parameters (string)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * MOD_ADDR sizeof(vm_offset_t) module load address
199767f8919635c4928607450d9e0abb932109ceToomas Soome * MOD_SIZE sizeof(size_t) module size
199767f8919635c4928607450d9e0abb932109ceToomas Soome * MOD_METADATA (variable) type-specific metadata
199767f8919635c4928607450d9e0abb932109ceToomas Soome a += sizeof(x); \
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
199767f8919635c4928607450d9e0abb932109ceToomas Soome COPY32(sizeof(s), a, c); \
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
199767f8919635c4928607450d9e0abb932109ceToomas Soome#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
199767f8919635c4928607450d9e0abb932109ceToomas Soome archsw.arch_copyin(mm->md_data, a, mm->md_size);\
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* start with the first module on the list, should be the kernel */
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome MOD_NAME(addr, fp->f_name, c); /* this field must come first */
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (md = fp->f_metadata; md != NULL; md = md->md_next) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Load the information expected by a sparc64 kernel.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * - The 'boothowto' argument is constructed
199767f8919635c4928607450d9e0abb932109ceToomas Soome * - The 'bootdev' argument is constructed
199767f8919635c4928607450d9e0abb932109ceToomas Soome * - The kernel environment is copied into kernel space.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * - Module metadata are formatted and placed in kernel space.
199767f8919635c4928607450d9e0abb932109ceToomas Soomemd_load(char *args, vm_offset_t *modulep, vm_offset_t *dtbp)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Allow the environment variable 'rootdev' to override the supplied device
199767f8919635c4928607450d9e0abb932109ceToomas Soome * This should perhaps go to MI code and/or have $rootdev tested/set by
199767f8919635c4928607450d9e0abb932109ceToomas Soome * MI code before launching the kernel.
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* find the last module in the chain */
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (xp = file_findfile(NULL, NULL); xp != NULL; xp = xp->f_next) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* pad to a page boundary */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* copy our environment */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* pad to a page boundary */
199767f8919635c4928607450d9e0abb932109ceToomas Soome file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
199767f8919635c4928607450d9e0abb932109ceToomas Soome file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
199767f8919635c4928607450d9e0abb932109ceToomas Soome file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof kernend, &kernend);
199767f8919635c4928607450d9e0abb932109ceToomas Soome file_addmetadata(kfp, MODINFOMD_DTLB_SLOTS, sizeof dtlb_slot, &dtlb_slot);
199767f8919635c4928607450d9e0abb932109ceToomas Soome file_addmetadata(kfp, MODINFOMD_ITLB_SLOTS, sizeof itlb_slot, &itlb_slot);