55 lines
962 B
C
55 lines
962 B
C
#include <stdint.h>
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#include <stddef.h>
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#include <system/system.h>
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#include <sysdefs/processctl.h>
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#include <errors.h>
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#include <dlmalloc/malloc.h>
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#include <uprintf.h>
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#include <log.h>
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extern void main(void);
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extern uint8_t _bss_start;
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extern uint8_t _bss_end;
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void clearbss(void) {
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uint8_t *ps = &_bss_start;
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uint8_t *pe = &_bss_end;
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size_t sz = pe - ps;
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for (size_t i = 0; i < sz; i++) {
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ps[i] = 0;
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}
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}
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char **_args;
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size_t _argslen;
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char **args(void) {
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return (char **)_args;
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}
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size_t argslen(void) {
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return _argslen;
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}
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// ulib initialization goes here
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void _premain(void) {
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clearbss();
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_argslen = processctl(-1, PCTL_ARGLEN, 0, 0, 0);
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_args = dlmalloc(_argslen * sizeof(*_args));
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if (_args == NULL) {
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return;
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}
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for (size_t i = 0; i < _argslen; i++) {
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_args[i] = dlmalloc(PROC_ARG_MAX);
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if (_args[i] == NULL) {
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return;
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}
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}
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processctl(-1, PCTL_ARGV, (uint64_t)_args, _argslen, 0);
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main();
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}
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