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Print all BIOS information

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This commit is contained in:
Jaby
2024-03-30 14:42:32 -05:00
parent e74d54f0bb
commit a163762e59
3 changed files with 15 additions and 6 deletions
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11
src/Library/src/System/syscall.cpp
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@@ -5,6 +5,14 @@
namespace JabyEngine {
namespace SysCall {
BIOSVersion get_bios_version() {
static const auto get_version_str = [](const char* kernel_maker) -> const char* {
const char* start = kernel_maker + (strlen(kernel_maker) + 1);
while(*start == 0) {
start++;
}
return start;
};
BIOSVersion version;
const auto date_bcd = *reinterpret_cast<uint32_t*>(0xBFC00100);
@@ -13,10 +21,9 @@ namespace JabyEngine {
version.date.month = from_bcd(static_cast<uint8_t>((date_bcd >> 8) & 0xFF));
version.date.year = from_bcd(static_cast<uint16_t>(date_bcd >> 16));
version.kernel_maker = reinterpret_cast<const char*>(0xBFC00108);
version.version_str = get_version_str(version.kernel_maker);
version.gui_version = reinterpret_cast<const char*>(0xBFC7FF32);
version.copyright = version.gui_version + (strlen(version.gui_version) + 1);
printf(">>> \"%s\"\n", version.copyright);
return version;
}
}