mirror of
https://github.com/JannisHeydemann/BoredOS.git
synced 2026-05-30 02:16:58 +00:00
CHECKP: vfs
This commit is contained in:
boreddevnl
@@ -5,6 +5,7 @@
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#include "limine.h"
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#include <stddef.h>
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#include "platform.h"
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#include "kutils.h"
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static volatile struct limine_hhdm_request hhdm_request __attribute__((used, section(".requests"))) = {
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.id = LIMINE_HHDM_REQUEST,
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.revision = 0,
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@@ -80,3 +81,73 @@ void platform_get_cpu_vendor(char *vendor) {
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*((uint32_t *)&p[8]) = ecx;
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p[12] = '\0';
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}
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void platform_get_cpu_info(cpu_info_t *info) {
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uint32_t eax, ebx, ecx, edx;
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// CPUID leaf 1: basic feature information
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asm volatile("cpuid" : "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx) : "a"(1));
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info->stepping = eax & 0xF;
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info->model = (eax >> 4) & 0xF;
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info->family = (eax >> 8) & 0xF;
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info->microcode = (ebx >> 8) & 0xFF;
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info->flags = ((uint64_t)ecx << 32) | edx; // ECX and EDX contain feature flags
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info->cache_size = (ebx >> 16) & 0xFF; // Cache line size in bytes
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}
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void platform_get_cpu_flags(char *flags_str) {
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uint32_t eax, ebx, ecx, edx;
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flags_str[0] = '\0';
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// CPUID leaf 1
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asm volatile("cpuid" : "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx) : "a"(1));
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// ECX flags
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if (ecx & (1 << 0)) k_strcpy(flags_str + k_strlen(flags_str), "sse3 ");
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if (ecx & (1 << 1)) k_strcpy(flags_str + k_strlen(flags_str), "pclmulqdq ");
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if (ecx & (1 << 3)) k_strcpy(flags_str + k_strlen(flags_str), "monitor ");
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if (ecx & (1 << 6)) k_strcpy(flags_str + k_strlen(flags_str), "ssse3 ");
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if (ecx & (1 << 9)) k_strcpy(flags_str + k_strlen(flags_str), "sdbg ");
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if (ecx & (1 << 12)) k_strcpy(flags_str + k_strlen(flags_str), "fma ");
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if (ecx & (1 << 13)) k_strcpy(flags_str + k_strlen(flags_str), "cx16 ");
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if (ecx & (1 << 19)) k_strcpy(flags_str + k_strlen(flags_str), "sse4_1 ");
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if (ecx & (1 << 20)) k_strcpy(flags_str + k_strlen(flags_str), "sse4_2 ");
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if (ecx & (1 << 23)) k_strcpy(flags_str + k_strlen(flags_str), "popcnt ");
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if (ecx & (1 << 25)) k_strcpy(flags_str + k_strlen(flags_str), "aes ");
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if (ecx & (1 << 26)) k_strcpy(flags_str + k_strlen(flags_str), "xsave ");
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if (ecx & (1 << 28)) k_strcpy(flags_str + k_strlen(flags_str), "avx ");
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// EDX flags
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if (edx & (1 << 0)) k_strcpy(flags_str + k_strlen(flags_str), "fpu ");
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if (edx & (1 << 3)) k_strcpy(flags_str + k_strlen(flags_str), "pse ");
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if (edx & (1 << 4)) k_strcpy(flags_str + k_strlen(flags_str), "tsc ");
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if (edx & (1 << 6)) k_strcpy(flags_str + k_strlen(flags_str), "pae ");
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if (edx & (1 << 8)) k_strcpy(flags_str + k_strlen(flags_str), "cx8 ");
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if (edx & (1 << 9)) k_strcpy(flags_str + k_strlen(flags_str), "apic ");
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if (edx & (1 << 11)) k_strcpy(flags_str + k_strlen(flags_str), "sep ");
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if (edx & (1 << 15)) k_strcpy(flags_str + k_strlen(flags_str), "cmov ");
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if (edx & (1 << 23)) k_strcpy(flags_str + k_strlen(flags_str), "mmx ");
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if (edx & (1 << 24)) k_strcpy(flags_str + k_strlen(flags_str), "fxsr ");
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if (edx & (1 << 25)) k_strcpy(flags_str + k_strlen(flags_str), "sse ");
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if (edx & (1 << 26)) k_strcpy(flags_str + k_strlen(flags_str), "sse2 ");
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// Extended leaf 0x80000001 for advanced flags
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asm volatile("cpuid" : "=a"(eax), "=b"(ebx), "=c"(ecx), "=d"(edx) : "a"(0x80000001));
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if (edx & (1 << 11)) k_strcpy(flags_str + k_strlen(flags_str), "syscall ");
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if (edx & (1 << 20)) k_strcpy(flags_str + k_strlen(flags_str), "nx ");
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if (edx & (1 << 26)) k_strcpy(flags_str + k_strlen(flags_str), "pdpe1gb ");
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if (edx & (1 << 27)) k_strcpy(flags_str + k_strlen(flags_str), "rdtscp ");
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if (edx & (1 << 29)) k_strcpy(flags_str + k_strlen(flags_str), "lm ");
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if (ecx & (1 << 0)) k_strcpy(flags_str + k_strlen(flags_str), "lahf_lm ");
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if (ecx & (1 << 5)) k_strcpy(flags_str + k_strlen(flags_str), "abm ");
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// Remove trailing space
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int len = k_strlen(flags_str);
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if (len > 0 && flags_str[len-1] == ' ') {
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flags_str[len-1] = '\0';
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}
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}
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@@ -6,10 +6,21 @@
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#include <stdint.h>
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typedef struct {
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uint32_t family;
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uint32_t model;
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uint32_t stepping;
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uint32_t microcode;
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uint64_t flags;
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uint32_t cache_size;
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} cpu_info_t;
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void platform_init(void);
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uint64_t p2v(uint64_t phys);
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uint64_t v2p(uint64_t virt);
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void platform_get_cpu_model(char *model);
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void platform_get_cpu_vendor(char *vendor);
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void platform_get_cpu_info(cpu_info_t *info);
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void platform_get_cpu_flags(char *flags_str);
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#endif
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189
src/fs/procfs.c
189
src/fs/procfs.c
@@ -4,6 +4,7 @@
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#include "../dev/disk.h"
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#include "memory_manager.h"
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#include "core/kutils.h"
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#include "core/platform.h"
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typedef struct {
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uint32_t pid;
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@@ -88,34 +89,173 @@ int procfs_read(void *fs_private, void *handle, void *buf, int size) {
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} else if (k_strcmp(h->type, "cpuinfo") == 0) {
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extern uint32_t smp_cpu_count(void);
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extern void platform_get_cpu_model(char *model);
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extern void platform_get_cpu_vendor(char *vendor);
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extern void platform_get_cpu_info(cpu_info_t *info);
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extern void platform_get_cpu_flags(char *flags_str);
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char model[64];
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char vendor[16];
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char flags[1024];
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cpu_info_t info;
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platform_get_cpu_model(model);
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k_strcpy(out, "Processor: ");
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k_strcpy(out + k_strlen(out), model);
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k_strcpy(out + k_strlen(out), "\nCores: ");
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char c_s[16]; k_itoa(smp_cpu_count(), c_s);
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k_strcpy(out + k_strlen(out), c_s);
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k_strcpy(out + k_strlen(out), "\nArchitecture: x86_64\n");
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platform_get_cpu_vendor(vendor);
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platform_get_cpu_info(&info);
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platform_get_cpu_flags(flags);
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uint32_t cpu_count = smp_cpu_count();
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out[0] = '\0';
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// Output info for each processor
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for (uint32_t i = 0; i < cpu_count; i++) {
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char buf[32];
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k_strcpy(out + k_strlen(out), "processor\t: ");
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k_itoa(i, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "vendor_id\t: ");
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k_strcpy(out + k_strlen(out), vendor);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "cpu family\t: ");
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k_itoa(info.family, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "model\t\t: ");
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k_itoa(info.model, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "model name\t: ");
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k_strcpy(out + k_strlen(out), model);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "stepping\t: ");
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k_itoa(info.stepping, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "microcode\t: 0x");
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char hex[16];
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int temp = info.microcode;
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int hex_pos = 0;
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for (int j = 7; j >= 0; j--) {
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int digit = (temp >> (j * 4)) & 0xF;
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hex[hex_pos++] = digit < 10 ? '0' + digit : 'a' + (digit - 10);
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}
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hex[hex_pos] = '\0';
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k_strcpy(out + k_strlen(out), hex);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "cache size\t: ");
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k_itoa(info.cache_size, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), " KB\n");
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k_strcpy(out + k_strlen(out), "physical id\t: 0\n");
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k_strcpy(out + k_strlen(out), "siblings\t: ");
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k_itoa(cpu_count, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "core id\t\t: ");
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k_itoa(i, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "cpu cores\t: ");
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k_itoa(cpu_count, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "apicid\t\t: ");
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k_itoa(i, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "initial apicid\t: ");
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k_itoa(i, buf);
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k_strcpy(out + k_strlen(out), buf);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "fpu\t\t: yes\n");
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k_strcpy(out + k_strlen(out), "fpu_exception\t: yes\n");
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k_strcpy(out + k_strlen(out), "cpuid level\t: 13\n");
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k_strcpy(out + k_strlen(out), "wp\t\t: yes\n");
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k_strcpy(out + k_strlen(out), "flags\t\t: ");
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k_strcpy(out + k_strlen(out), flags);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "bugs\t\t: \n");
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k_strcpy(out + k_strlen(out), "bogomips\t: 4800.00\n");
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if (i < cpu_count - 1) {
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k_strcpy(out + k_strlen(out), "\n");
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}
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}
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} else if (k_strcmp(h->type, "meminfo") == 0) {
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extern MemStats memory_get_stats(void);
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MemStats stats = memory_get_stats();
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k_strcpy(out, "MemTotal: ");
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char m_s[32]; k_itoa(stats.total_memory / 1024, m_s);
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char m_s[32];
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k_strcpy(out, "MemTotal:\t");
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k_itoa(stats.total_memory / 1024, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), " kB\nMemFree: ");
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k_strcpy(out + k_strlen(out), " kB\n");
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k_strcpy(out + k_strlen(out), "MemFree:\t");
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k_itoa(stats.available_memory / 1024, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), " kB\nMemUsed: ");
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k_strcpy(out + k_strlen(out), " kB\n");
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k_strcpy(out + k_strlen(out), "MemAvailable:\t");
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k_itoa(stats.available_memory / 1024, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), " kB\n");
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k_strcpy(out + k_strlen(out), "Buffers:\t0 kB\n");
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k_strcpy(out + k_strlen(out), "Cached:\t\t0 kB\n");
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k_strcpy(out + k_strlen(out), "MemUsed:\t");
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k_itoa(stats.used_memory / 1024, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), " kB\nPeak: ");
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k_strcpy(out + k_strlen(out), " kB\n");
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k_strcpy(out + k_strlen(out), "MemPeak:\t");
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k_itoa(stats.peak_memory_used / 1024, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), " kB\nBlocks: ");
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k_strcpy(out + k_strlen(out), " kB\n");
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k_strcpy(out + k_strlen(out), "SwapTotal:\t0 kB\n");
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k_strcpy(out + k_strlen(out), "SwapFree:\t0 kB\n");
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k_strcpy(out + k_strlen(out), "Dirty:\t\t0 kB\n");
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k_strcpy(out + k_strlen(out), "Writeback:\t0 kB\n");
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k_strcpy(out + k_strlen(out), "AnonPages:\t");
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k_itoa(stats.used_memory / 1024, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), " kB\n");
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k_strcpy(out + k_strlen(out), "Mapped:\t\t0 kB\n");
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k_strcpy(out + k_strlen(out), "Shmem:\t\t0 kB\n");
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k_strcpy(out + k_strlen(out), "Blocks:\t\t");
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k_itoa(stats.allocated_blocks, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), "\nFragmentation: ");
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "FreeBlocks:\t");
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k_itoa(stats.free_blocks, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), "\n");
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k_strcpy(out + k_strlen(out), "Fragmentation:\t");
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k_itoa(stats.fragmentation_percent, m_s);
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k_strcpy(out + k_strlen(out), m_s);
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k_strcpy(out + k_strlen(out), "%\n");
|
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@@ -123,15 +263,30 @@ int procfs_read(void *fs_private, void *handle, void *buf, int size) {
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extern int disk_get_count(void);
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extern Disk* disk_get_by_index(int index);
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int dcount = disk_get_count();
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k_strcpy(out, "Block Devices:\n");
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out[0] = '\0';
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k_strcpy(out, "Character devices:\n");
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k_strcpy(out + k_strlen(out), " 1 mem\n");
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k_strcpy(out + k_strlen(out), " 4 tty\n");
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k_strcpy(out + k_strlen(out), " 5 cua\n");
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k_strcpy(out + k_strlen(out), " 7 vcs\n");
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k_strcpy(out + k_strlen(out), " 8 stdin\n");
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k_strcpy(out + k_strlen(out), " 13 input\n");
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k_strcpy(out + k_strlen(out), " 14 sound\n");
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k_strcpy(out + k_strlen(out), " 29 fb\n");
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k_strcpy(out + k_strlen(out), "189 usb\n\n");
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k_strcpy(out + k_strlen(out), "Block devices:\n");
|
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for (int i = 0; i < dcount; i++) {
|
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Disk *d = disk_get_by_index(i);
|
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if (d) {
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k_strcpy(out + k_strlen(out), " - ");
|
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if (d && !d->is_partition) {
|
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k_strcpy(out + k_strlen(out), " 8 ");
|
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k_strcpy(out + k_strlen(out), d->devname);
|
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k_strcpy(out + k_strlen(out), "\n");
|
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}
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}
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k_strcpy(out + k_strlen(out), " 11 sr\n");
|
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k_strcpy(out + k_strlen(out), "253 virtblk\n");
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}
|
||||
}
|
||||
else {
|
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|
||||
@@ -7,6 +7,7 @@
|
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#include "core/kutils.h"
|
||||
#include "wm/graphics.h"
|
||||
#include "core/platform.h"
|
||||
#include "dev/disk.h"
|
||||
|
||||
// --- Helper: itoa ---
|
||||
static void sys_itoa(int n, char *s) {
|
||||
@@ -131,15 +132,100 @@ static int read_pci_bus(char *buf, int size, int offset) {
|
||||
|
||||
// --- CPU System Implementation ---
|
||||
static int read_cpu_info(char *buf, int size, int offset) {
|
||||
char out[2048];
|
||||
k_memset(out, 0, 2048);
|
||||
|
||||
char vendor[16];
|
||||
char model[64];
|
||||
char flags[1024];
|
||||
cpu_info_t info;
|
||||
|
||||
platform_get_cpu_vendor(vendor);
|
||||
platform_get_cpu_model(model);
|
||||
platform_get_cpu_info(&info);
|
||||
platform_get_cpu_flags(flags);
|
||||
|
||||
uint32_t cpu_count = smp_cpu_count();
|
||||
|
||||
k_strcpy(out, "Vendor: ");
|
||||
k_strcpy(out + k_strlen(out), vendor);
|
||||
k_strcpy(out + k_strlen(out), "\nModel: ");
|
||||
k_strcpy(out + k_strlen(out), model);
|
||||
k_strcpy(out + k_strlen(out), "\nCores: ");
|
||||
char c_s[16]; k_itoa(cpu_count, c_s);
|
||||
k_strcpy(out + k_strlen(out), c_s);
|
||||
k_strcpy(out + k_strlen(out), "\nCPU Family: ");
|
||||
k_itoa(info.family, c_s);
|
||||
k_strcpy(out + k_strlen(out), c_s);
|
||||
k_strcpy(out + k_strlen(out), "\nModel Number: ");
|
||||
k_itoa(info.model, c_s);
|
||||
k_strcpy(out + k_strlen(out), c_s);
|
||||
k_strcpy(out + k_strlen(out), "\nStepping: ");
|
||||
k_itoa(info.stepping, c_s);
|
||||
k_strcpy(out + k_strlen(out), c_s);
|
||||
k_strcpy(out + k_strlen(out), "\nCache Size: ");
|
||||
k_itoa(info.cache_size, c_s);
|
||||
k_strcpy(out + k_strlen(out), c_s);
|
||||
k_strcpy(out + k_strlen(out), " KB\nSpeed: ~3.00 GHz\nFlags: ");
|
||||
k_strcpy(out + k_strlen(out), flags);
|
||||
k_strcpy(out + k_strlen(out), "\n");
|
||||
|
||||
int len = (int)k_strlen(out);
|
||||
if (offset >= len) return 0;
|
||||
int to_copy = len - offset;
|
||||
if (to_copy > size) to_copy = size;
|
||||
k_memcpy(buf, out + offset, to_copy);
|
||||
return to_copy;
|
||||
}
|
||||
|
||||
// --- Devices Implementation ---
|
||||
static int read_sys_devices(char *buf, int size, int offset) {
|
||||
char out[2048];
|
||||
k_memset(out, 0, 2048);
|
||||
|
||||
extern int disk_get_count(void);
|
||||
extern Disk* disk_get_by_index(int index);
|
||||
|
||||
int dcount = disk_get_count();
|
||||
k_strcpy(out, "Block Devices:\n");
|
||||
for (int i = 0; i < dcount; i++) {
|
||||
Disk *d = disk_get_by_index(i);
|
||||
if (d && !d->is_partition) {
|
||||
k_strcpy(out + k_strlen(out), " ");
|
||||
k_strcpy(out + k_strlen(out), d->devname);
|
||||
k_strcpy(out + k_strlen(out), " - ");
|
||||
k_strcpy(out + k_strlen(out), d->label);
|
||||
k_strcpy(out + k_strlen(out), "\n");
|
||||
}
|
||||
}
|
||||
|
||||
k_strcpy(out + k_strlen(out), "\nCharacter Devices:\n");
|
||||
k_strcpy(out + k_strlen(out), " console - System console\n");
|
||||
k_strcpy(out + k_strlen(out), " tty - Terminal devices\n");
|
||||
k_strcpy(out + k_strlen(out), " psmouse - Mouse input\n");
|
||||
k_strcpy(out + k_strlen(out), " keyboard - Keyboard input\n");
|
||||
k_strcpy(out + k_strlen(out), " framebuffer - Framebuffer device\n");
|
||||
|
||||
int len = (int)k_strlen(out);
|
||||
if (offset >= len) return 0;
|
||||
int to_copy = len - offset;
|
||||
if (to_copy > size) to_copy = size;
|
||||
k_memcpy(buf, out + offset, to_copy);
|
||||
return to_copy;
|
||||
}
|
||||
|
||||
// --- Class Implementation ---
|
||||
static int read_sys_class(char *buf, int size, int offset) {
|
||||
char out[1024];
|
||||
k_memset(out, 0, 1024);
|
||||
char vendor[16];
|
||||
platform_get_cpu_vendor(vendor);
|
||||
k_strcpy(out + k_strlen(out), vendor);
|
||||
k_strcpy(out + k_strlen(out), "\nCores: ");
|
||||
char c_s[16]; k_itoa(smp_cpu_count(), c_s);
|
||||
k_strcpy(out + k_strlen(out), c_s);
|
||||
k_strcpy(out + k_strlen(out), "\nSpeed: ~3.00 GHz\nFeatures: sse sse2 sse3 apic smp\n");
|
||||
|
||||
k_strcpy(out, "Classes:\n");
|
||||
k_strcpy(out + k_strlen(out), " block - Block device class\n");
|
||||
k_strcpy(out + k_strlen(out), " input - Input device class\n");
|
||||
k_strcpy(out + k_strlen(out), " tty - TTY device class\n");
|
||||
k_strcpy(out + k_strlen(out), " sound - Sound device class\n");
|
||||
k_strcpy(out + k_strlen(out), " video - Video device class\n");
|
||||
k_strcpy(out + k_strlen(out), " net - Network device class\n");
|
||||
|
||||
int len = (int)k_strlen(out);
|
||||
if (offset >= len) return 0;
|
||||
@@ -172,7 +258,13 @@ void sysfs_init_subsystems(void) {
|
||||
subsystem_register("devices", &devices);
|
||||
subsystem_register("bus", &bus);
|
||||
subsystem_register("class", &class);
|
||||
subsystem_register("kernel/debug", &debug);
|
||||
subsystem_register("kernel/debug", &debug);
|
||||
|
||||
// Devices info
|
||||
subsystem_add_file(devices, "list", read_sys_devices, NULL);
|
||||
|
||||
// Class info
|
||||
subsystem_add_file(class, "list", read_sys_class, NULL);
|
||||
|
||||
// CPU info
|
||||
subsystem_add_file(kernel, "cpuinfo", read_cpu_info, NULL);
|
||||
|
||||
Reference in New Issue
Block a user