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Add: serial printf

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xamidev
2024-08-09 14:36:01 +02:00
parent e5d3b460b3
commit c47e29f9ed
7 changed files with 255 additions and 23 deletions
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40
src/programs/sysinfo.c
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@@ -2,6 +2,7 @@
#include "../kernel/sysinfo.h"
#include "../libc/stdio.h"
#include "../kernel/system.h"
#include "../libc/string.h"
extern unsigned int multiboot_info_address;
@@ -35,7 +36,7 @@ void get_cpuid()
printf("CPU information\n\tvendor: %s\n\tfamily: %u\n\tmodel: %u\n\tfeatures: 0x%x\n", vendor, family, model, edx);
}
void get_meminfo(unsigned int multiboot_info_address)
void get_meminfo(unsigned int multiboot_info_address, int verbose)
{
// RAM
@@ -44,21 +45,34 @@ void get_meminfo(unsigned int multiboot_info_address)
printf("RAM information\n\tLower memory: %u KB\n\tUpper memory: %u KB\n", mem_lower, mem_upper);
multiboot_memory_map_t* mmap = (multiboot_memory_map_t*)*((unsigned int*)(multiboot_info_address + 44));
printf("\tMemory map:\n");
while ((unsigned int)mmap < multiboot_info_address + *((unsigned int*)(multiboot_info_address + 40)))
if (verbose)
{
printf("\t\tBase addr: 0x%x%x\n\t\tLength: 0x%x%x\n\t\tType: %u\n",
mmap->base_addr_high, mmap->base_addr_low,
mmap->length_high, mmap->length_low,
mmap->type);
mmap = (multiboot_memory_map_t*)((unsigned int)mmap + mmap->size + sizeof(unsigned int));
multiboot_memory_map_t* mmap = (multiboot_memory_map_t*)*((unsigned int*)(multiboot_info_address + 44));
printf("Memory map:\nBase addr | Length | Type\n----------------------------------------------------\n");
while ((unsigned int)mmap < multiboot_info_address + *((unsigned int*)(multiboot_info_address + 40)))
{
if (mmap->length_high != 0 && mmap->length_low != 0)
{
printf("0x%x%x | 0x%x%x | %u\n",
mmap->base_addr_high, mmap->base_addr_low,
mmap->length_high, mmap->length_low,
mmap->type);
}
mmap = (multiboot_memory_map_t*)((unsigned int)mmap + mmap->size + sizeof(unsigned int));
}
}
}
void program_sysinfo()
void program_sysinfo(int argc, char* argv[])
{
get_cpuid();
get_meminfo(g_multiboot_info_address);
if (argc == 1)
{
get_cpuid();
get_meminfo(g_multiboot_info_address, 0);
} else if (argc == 2 && strcmp(argv[1], "-v") == 0)
{
get_cpuid();
get_meminfo(g_multiboot_info_address, 1);
}
}