38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/*
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* cmdline.h — kernel command-line parser API
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*
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* Pure C99 / freestanding — no UEFI types, no libc.
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* The UEFI loader converts LoadOptions (UCS-2) to ASCII before calling
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* cmdline_parse_ascii(); the parser itself never sees CHAR16.
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*/
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#ifndef STARKERNEL_CMDLINE_H
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#define STARKERNEL_CMDLINE_H
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#include "kernel_args.h"
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/*
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* cmdline_parse_ascii — parse a NUL-terminated ASCII cmdline into *args.
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*
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* Fills all default values first; unknown flags are silently ignored so
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* future kernels can add flags without breaking old boot entries.
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* Safe to call with NULL or empty cmdline (returns all defaults).
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*
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* Recognised flags:
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* --doe set run_doe = 1
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* --log-level=<level> debug / info / warn / error
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* --stack=<N>[KMG] stack_size in bytes
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* --heap=<N>[KMG] heap_size in bytes
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*/
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void cmdline_parse_ascii(const char *cmdline, KernelArgs *args);
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/*
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* cmdline_parse_size — parse a size token with optional K/M/G suffix.
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*
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* Examples: "2M" -> 2*1024*1024, "4G" -> 4*1024^3, "65536" -> 65536.
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* Returns 0 on parse error (empty string, non-digit start, etc.).
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*/
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uint64_t cmdline_parse_size(const char *s);
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#endif /* STARKERNEL_CMDLINE_H */
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