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[kernel] Re-enable most of kernel_main

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The `kernel_main()` had a lot change out from under it with the
bootloader changes. This change brings most of it back in line with the
new kernel arguments.

Tags: pml4 paging boot
This commit is contained in:
Justin C. Miller
2020-05-24 17:58:45 -07:00
parent 35b1d37df0
commit bfd13e7a9b
4 changed files with 35 additions and 32 deletions
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49
src/kernel/main.cpp
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@@ -86,41 +86,44 @@ kernel_main(args::header *header)
memory_initialize(header);
/*
kutil::allocator &heap = g_kernel_heap;
/*
if (header->frame_buffer && header->frame_buffer_length) {
page_manager::get()->map_offset_pointer(
&header->frame_buffer,
header->frame_buffer_length);
}
log::debug(logs::boot, " jsix header is at: %016lx", header);
log::debug(logs::boot, " Framebuffer is at: %016lx", header->frame_buffer);
log::debug(logs::boot, " Kernel data is at: %016lx", header->data);
log::debug(logs::boot, " Memory map is at: %016lx", header->memory_map);
log::debug(logs::boot, "ACPI root table is at: %016lx", header->acpi_table);
log::debug(logs::boot, "Runtime service is at: %016lx", header->runtime);
initrd::disk ird(header->initrd, heap);
log::info(logs::boot, "initrd loaded with %d files.", ird.files().count());
for (auto &f : ird.files())
log::info(logs::boot, " %s%s (%d bytes).", f.executable() ? "*" : "", f.name(), f.size());
*/
log::debug(logs::boot, " jsix header is at: %016lx", header);
log::debug(logs::boot, " Memory map is at: %016lx", header->mem_map);
log::debug(logs::boot, "ACPI root table is at: %016lx", header->acpi_table);
log::debug(logs::boot, "Runtime service is at: %016lx", header->runtime_services);
// Load the module tagged as initrd
kutil::vector<initrd::disk> initrds(heap);
for (unsigned i = 0; i < header->num_modules; ++i) {
args::module &mod = header->modules[i];
if (mod.type != args::mod_type::initrd)
continue;
initrd::disk &ird = initrds.emplace(mod.location, heap);
log::info(logs::boot, "initrd loaded with %d files.", ird.files().count());
for (auto &f : ird.files())
log::info(logs::boot, " %s%s (%d bytes).", f.executable() ? "*" : "", f.name(), f.size());
}
/*
page_manager::get()->dump_pml4(nullptr, 0);
page_manager::get()->dump_blocks(true);
*/
/*
device_manager *devices =
new (&device_manager::get()) device_manager(header->acpi_table, heap);
interrupts_enable();
*/
/*
auto r = cpu.get(0x15);
log::info(logs::boot, "CPU Crystal: %dHz", r.ecx);
@@ -129,11 +132,9 @@ kernel_main(args::header *header)
__asm__ __volatile__ ( "mov %%cr4, %0" : "=r" (cr4) );
log::info(logs::boot, "cr4: %016x", cr4);
*/
/*
devices->init_drivers();
*/
/*
block_device *disk = devices->get_block_device(0);
if (disk) {
@@ -157,7 +158,6 @@ kernel_main(args::header *header)
log::warn(logs::boot, "No block devices present.");
}
*/
/*
devices->get_lapic()->calibrate_timer();
@@ -166,9 +166,11 @@ kernel_main(args::header *header)
sched->create_kernel_task(-1, logger_task);
for (auto &f : ird.files()) {
if (f.executable())
sched->load_process(f.name(), f.data(), f.size());
for (auto &ird : initrds) {
for (auto &f : ird.files()) {
if (f.executable())
sched->load_process(f.name(), f.data(), f.size());
}
}
log::info(logs::objs, "Testing object system:");
@@ -187,5 +189,4 @@ kernel_main(args::header *header)
}
sched->start();
*/
}