22 lines
496 B
C
22 lines
496 B
C
#include <stddef.h>
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#include <lib/acpi.h>
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#include <lib/blib.h>
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#include <lib/libc.h>
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#include <lib/print.h>
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void *get_rsdp(void) {
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for (size_t i = 0x80000; i < 0x100000; i += 16) {
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if (i == 0xa0000) {
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/* skip video mem and mapped hardware */
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i = 0xe0000 - 16;
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continue;
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}
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if (!strncmp((char *)i, "RSD PTR ", 8)) {
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print("acpi: Found RSDP at %x\n", i);
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return (void *)i;
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}
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}
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return NULL;
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}
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