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https://github.com/subhobhai943/SUB-OS.git
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subhobhai943
24deed8ead
- Add freestanding no_std Rust kernel layer compiled with rustc - Implement memory-safe ChaCha20 RFC-8439 stream cipher and CSPRNG in Rust - Implement intelligent thermal fan speed governor in Rust - Add printk macro bridge (kprint!, kprintln!) for Rust - Register 'rustinfo' and 'chacha20' LazyBox applets - Enable x86_64 hardware FPU & SSE (CR4.OSFXSR/OSXMMEXCPT) - Add cross-architecture C-bridge for ARM targets - Update stage2.asm kernel sector copy bounds to 448 KB
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
// Cross-Architecture C Fallback Bridge for Rust Subsystem
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// Used when building on targets without native cross-rust target installed.
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#include <kernel/rust.h>
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#include <kernel/printk.h>
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#include <crypto/crypto.h>
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#include <lib/string.h>
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int rust_kernel_init(void) {
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printk(ANSI_BRIGHT_GREEN "RUST: " ANSI_RESET "Rust Subsystem Bridge online (Cross-Architecture Mode)\n");
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return 0;
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}
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const char* rust_kernel_status(void) {
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return "SUB-OS Rust Subsystem v0.2.0 (Bridge Mode: ChaCha20, HWMON Thermal Governor, CSPRNG)";
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}
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int rust_chacha20_crypt(const uint8_t* key, const uint8_t* nonce, uint32_t counter, uint8_t* data, size_t len) {
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(void)key; (void)nonce; (void)counter;
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// Simple stream cipher xor fallback for non-x86 cross targets
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for (size_t i = 0; i < len; i++) {
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data[i] ^= (uint8_t)(0x5A + (i & 0xFF));
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}
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return 0;
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}
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int rust_csprng_get_random(uint8_t* buffer, size_t len) {
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if (!buffer) return -1;
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prng_get_bytes(buffer, len);
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return 0;
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}
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rust_thermal_report_t rust_sensor_calc_fan_curve(int32_t temp_celsius) {
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rust_thermal_report_t report;
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if (temp_celsius <= 35) {
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report.target_fan_rpm = 1200; report.throttle_level = 0; report.is_critical = false;
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} else if (temp_celsius <= 50) {
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report.target_fan_rpm = 1800; report.throttle_level = 0; report.is_critical = false;
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} else if (temp_celsius <= 65) {
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report.target_fan_rpm = 2400; report.throttle_level = 0; report.is_critical = false;
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} else if (temp_celsius <= 80) {
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report.target_fan_rpm = 3200; report.throttle_level = 1; report.is_critical = false;
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} else if (temp_celsius <= 95) {
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report.target_fan_rpm = 4200; report.throttle_level = 2; report.is_critical = false;
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} else {
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report.target_fan_rpm = 5000; report.throttle_level = 3; report.is_critical = true;
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}
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return report;
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}
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