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Adding CommPageParser
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Karmaz95
151
X. NU/custom/CommPageParser.c
Normal file
151
X. NU/custom/CommPageParser.c
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// clang CommPageParser.c -o CommPageParser -arch arm64
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#include <stdio.h>
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#include <stdint.h>
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#define COMM_PAGE_BASE 0xfffffc000ULL
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typedef struct {
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uint64_t TimeStamp_tick;
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uint64_t TimeStamp_sec;
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uint64_t TimeStamp_frac;
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uint64_t Ticks_scale;
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uint64_t Ticks_per_sec;
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} new_commpage_timeofday_data_t;
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typedef struct {
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uint64_t nt_tsc_base;
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uint32_t nt_scale;
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uint32_t nt_shift;
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uint64_t nt_ns_base;
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uint32_t nt_generation;
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uint32_t gtod_generation;
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uint64_t gtod_ns_base;
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uint64_t gtod_sec_base;
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} time_data_t;
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typedef struct {
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uint8_t signature[16];
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uint64_t cpu_capabilities64;
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uint8_t unused[6];
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uint16_t version;
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uint32_t cpu_capabilities;
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uint8_t ncpus;
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uint8_t user_page_shift_32;
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uint8_t user_page_shift_64;
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uint16_t cache_linesize;
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uint32_t unused4;
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uint32_t unused3;
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uint32_t memory_pressure;
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uint8_t active_cpus;
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uint8_t physical_cpus;
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uint8_t logical_cpus;
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uint8_t kernel_page_shift;
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uint64_t memory_size;
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uint32_t cpufamily;
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uint32_t dev_firm;
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uint64_t timebase_offset;
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uint8_t user_timebase;
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uint8_t cont_hwclock;
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uint8_t dtrace_dof_enabled;
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uint8_t unused0[5];
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time_data_t time_data;
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struct {
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uint64_t time;
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uint64_t time_supported;
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uint8_t _fill[48];
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} approx;
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uint64_t cont_timebase;
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uint64_t boottime_usec;
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new_commpage_timeofday_data_t new_time_data;
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uint64_t unused5;
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uint64_t dyld_flags;
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uint8_t cpu_to_cluster[256];
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uint64_t quiescent_counter;
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uint64_t asb_target_value;
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uint64_t asb_target_address;
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uint64_t asb_target_kern_value;
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uint64_t asb_target_kern_address;
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} comm_page_t;
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void print_cpu_capabilities64(uint64_t caps) {
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printf("CPU Capabilities64 details:\n");
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if (caps & 0x00000008) printf(" - FP16 Support\n");
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if (caps & 0x00000100) printf(" - Advanced SIMD\n");
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if (caps & 0x00000200) printf(" - Advanced SIMD half-precision\n");
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if (caps & 0x00000400) printf(" - VFP Support\n");
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if (caps & 0x00002000) printf(" - FMA Support\n");
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if (caps & 0x01000000) printf(" - ARMv8 Crypto\n");
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if (caps & 0x02000000) printf(" - ARMv8.1 Atomic instructions\n");
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if (caps & 0x04000000) printf(" - ARMv8 CRC32\n");
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if (caps & 0x80000000) printf(" - SHA512\n");
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// Extended capabilities
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if (caps & 0x0000000100000000) printf(" - SHA3\n");
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if (caps & 0x0000000200000000) printf(" - FCMA\n");
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if (caps & 0x0000000400000000) printf(" - AFP\n");
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}
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int main() {
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comm_page_t *comm = (comm_page_t *)COMM_PAGE_BASE;
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printf("Signature: ");
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for(int i = 0; i < 16; i++) printf("%02x", comm->signature[i]);
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printf("\n\n");
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printf("CPU Capabilities64: 0x%llx\n", comm->cpu_capabilities64);
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print_cpu_capabilities64(comm->cpu_capabilities64);
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printf("\nVersion: %d\n", comm->version);
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printf("CPU Capabilities32: 0x%x\n", comm->cpu_capabilities);
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printf("\nCPU Information:\n");
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printf("Physical CPUs: %d\n", comm->physical_cpus);
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printf("Logical CPUs: %d\n", comm->logical_cpus);
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printf("Active CPUs: %d\n", comm->active_cpus);
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printf("Number of configured CPUs: %d\n", comm->ncpus);
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printf("\nMemory Information:\n");
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printf("Cache Line Size: %d\n", comm->cache_linesize);
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printf("Memory Size: %lld bytes\n", comm->memory_size);
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printf("Memory Pressure: %d\n", comm->memory_pressure);
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printf("32-bit Page Shift: %d\n", comm->user_page_shift_32);
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printf("64-bit Page Shift: %d\n", comm->user_page_shift_64);
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printf("Kernel Page Shift: %d\n", comm->kernel_page_shift);
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printf("\nSystem Information:\n");
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printf("CPU Family: 0x%x\n", comm->cpufamily);
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printf("Device Firmware: 0x%x\n", comm->dev_firm);
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printf("DYLD System Flags: 0x%llx\n", comm->dyld_flags);
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printf("DTrace DOF Enabled: %d\n", comm->dtrace_dof_enabled);
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printf("\nTime Information:\n");
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printf("Timebase Offset: 0x%llx\n", comm->timebase_offset);
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printf("Boot Time: %lld μs\n", comm->boottime_usec);
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printf("Continuous Hardware Clock: %d\n", comm->cont_hwclock);
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printf("User Timebase: %d\n", comm->user_timebase);
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printf("Continuous Timebase: 0x%llx\n", comm->cont_timebase);
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printf("\nTime Data:\n");
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printf("TSC Base: 0x%llx\n", comm->time_data.nt_tsc_base);
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printf("Scale: %u\n", comm->time_data.nt_scale);
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printf("Shift: %u\n", comm->time_data.nt_shift);
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printf("NS Base: %lld\n", comm->time_data.nt_ns_base);
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printf("Generation: %u\n", comm->time_data.nt_generation);
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printf("\nNew Time Data:\n");
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printf("Timestamp tick: %lld\n", comm->new_time_data.TimeStamp_tick);
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printf("Timestamp sec: %lld\n", comm->new_time_data.TimeStamp_sec);
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printf("Ticks per sec: %lld\n", comm->new_time_data.Ticks_per_sec);
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printf("\nApproximate Time:\n");
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printf("Time: %lld\n", comm->approx.time);
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printf("Time Supported: %lld\n", comm->approx.time_supported);
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printf("\nSecurity Information:\n");
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printf("ASB Target Value: 0x%llx\n", comm->asb_target_value);
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printf("ASB Target Address: 0x%llx\n", comm->asb_target_address);
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printf("ASB Target Kernel Value: 0x%llx\n", comm->asb_target_kern_value);
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printf("ASB Target Kernel Address: 0x%llx\n", comm->asb_target_kern_address);
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printf("\nCPU Quiescent Counter: %lld\n", comm->quiescent_counter);
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return 0;
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}
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