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#include "aplos.h"
static void welcome(void);
static void print_memmap(struct boot_info *);
static void print_size(uint64_t);
void
main(struct boot_info *info)
{
setup_descriptors();
screen_init(&info->framebuffer);
welcome();
print(u8"CPU count: %u64\n", cpu_count());
print_memmap(info);
}
static void
welcome(void)
{
print(u8"Starting ☺☻☺☻☺☻☺☻☺☻\n");
}
static void
print_memmap(struct boot_info *info)
{
print(u8"Usable memory: ");
uint64_t total = 0;
for(uint64_t i = 0; i < info->memmap_count; i++)
total += info->memmaps[i].size;
print_size(total);
print(u8"\n");
for(uint64_t i = 0; i < info->memmap_count; i++){
struct memmap *m = &info->memmaps[i];
print(u8"%p - %p (", m->start, m->start + m->size);
print_size(m->size);
print(u8")\n");
}
}
static void
print_size(uint64_t size)
{
uint64_t gb, mb, kb, b;
gb = size >> 30; size -= gb << 30;
mb = size >> 20; size -= mb << 20;
kb = size >> 10; size -= kb << 10;
b = size;
int printed = 0;
#define P(what, spec, force) \
if(what || (force && !printed)){ \
if(printed) \
print(u8" + "); \
printed = 1; \
print(u8"%u64 " spec, what); \
}
P(gb, "GB", 0);
P(mb, "MB", 0);
P(kb, "KB", 0);
P(b, "B", 1);
}
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