58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#include "config.h"
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#include "kernel/kernel.h"
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#include "libopenbios/sys_info.h"
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#include "context.h"
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#define printf printk
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#ifdef CONFIG_DEBUG_BOOT
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#define debug printk
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#else
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#define debug(x...)
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#endif
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void collect_multiboot_info(struct sys_info *);
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void collect_sys_info(struct sys_info *info);
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void collect_sys_info(struct sys_info *info)
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{
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int i;
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unsigned long long total = 0;
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struct memrange *mmap;
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/* Pick up parameters given by bootloader to us */
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info->boot_type = boot_ctx->eax;
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info->boot_data = boot_ctx->ebx;
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info->boot_arg = boot_ctx->param[0];
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debug("boot eax = %#lx\n", info->boot_type);
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debug("boot ebx = %#lx\n", info->boot_data);
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debug("boot arg = %#lx\n", info->boot_arg);
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collect_elfboot_info(info);
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#ifdef CONFIG_LINUXBIOS
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collect_linuxbios_info(info);
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#endif
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#ifdef CONFIG_IMAGE_ELF_MULTIBOOT
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collect_multiboot_info(info);
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#endif
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if (!info->memrange) {
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printf("Can't get memory map from firmware. "
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"Using hardcoded default.\n");
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info->n_memranges = 2;
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info->memrange = malloc(2 * sizeof(struct memrange));
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info->memrange[0].base = 0;
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info->memrange[0].size = 640*1024;
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info->memrange[1].base = 1024*1024;
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info->memrange[1].size = 32*1024*1024
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- info->memrange[1].base;
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}
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debug("\n");
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mmap=info->memrange;
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for (i = 0; i < info->n_memranges; i++) {
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debug("%016Lx-", mmap[i].base);
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debug("%016Lx\n", mmap[i].base+mmap[i].size);
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total += mmap[i].size;
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}
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debug("RAM %Ld MB\n", (total + 512*1024) >> 20);
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}
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