tianole/kernel/boot_report.c

58 lines
1.5 KiB
C

#include <stdint.h>
#include <tianole/boot_info.h>
#include <tianole/early_log.h>
#include <tianole/kernel_init.h>
static void log_memory_map_summary(const boot_info_t *boot_info)
{
uint64_t offset;
uint64_t descriptors = 0;
uint64_t conventional_pages = 0;
if (boot_info == 0 || boot_info->memory_map == 0 ||
boot_info->memory_descriptor_size == 0) {
early_log_puts("memory map metadata missing\n");
return;
}
for (offset = 0; offset + sizeof(boot_memory_descriptor_t) <=
boot_info->memory_map_size;
offset += boot_info->memory_descriptor_size) {
const boot_memory_descriptor_t *descriptor =
(const boot_memory_descriptor_t
*)(uintptr_t)(boot_info->memory_map +
offset);
descriptors++;
if (descriptor->type == BOOT_MEMORY_TYPE_CONVENTIONAL) {
conventional_pages += descriptor->number_of_pages;
}
}
early_log_puts("memory map descriptors=");
early_log_u64_decimal(descriptors);
early_log_puts("\n");
early_log_puts("conventional memory pages=");
early_log_u64_decimal(conventional_pages);
early_log_puts("\n");
}
void kernel_report_boot_state(const boot_info_t *boot_info)
{
if (boot_info != 0 && boot_info->version == BOOT_INFO_VERSION) {
early_log_puts("boot_info.version ok\n");
} else {
early_log_puts("boot_info.version invalid\n");
}
if (boot_info != 0 &&
(boot_info->boot_flags & BOOT_FLAG_SERVICES_ACTIVE) == 0) {
early_log_puts("boot services exited\n");
} else {
early_log_puts("boot services still active\n");
}
log_memory_map_summary(boot_info);
}