43 lines
922 B
C
43 lines
922 B
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <types.h>
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#include <errno.h>
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#include <boot.h>
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#include <pgtable.h>
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#include <dbg_cmd.h>
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#include <logmsg.h>
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void parse_hv_cmdline(void)
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{
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const char *start = NULL;
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const char *end = NULL;
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if (boot_from_multiboot1()) {
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struct multiboot_info *mbi = (struct multiboot_info *)(hpa2hva_early((uint64_t)boot_regs[1]));
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if ((mbi->mi_flags & MULTIBOOT_INFO_HAS_CMDLINE) != 0U) {
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start = (char *)hpa2hva_early((uint64_t)mbi->mi_cmdline);
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}
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}
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while ((start != NULL) && ((*start) != '\0')) {
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while ((*start) == ' ')
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start++;
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if ((*start) != '\0') {
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end = start + 1;
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while ((*end != ' ') && ((*end) != '\0'))
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end++;
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if (!handle_dbg_cmd(start, (int32_t)(end - start))) {
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/* if not handled by handle_dbg_cmd, it can be handled further */
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}
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start = end;
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}
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}
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}
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