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[boot] Load programs in boot, not kernel

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Remove ELF and initrd loading from the kernel. The bootloader now loads
the initial programs, as it does with the kernel. Other files that were
in the initrd are now on the ESP, and non-program files are just passed
as modules.
This commit is contained in:
Justin C. Miller
2020-10-04 17:11:03 -07:00
parent da38006f44
commit 4ccaa2dfea
19 changed files with 282 additions and 351 deletions
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22
src/boot/memory.cpp
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@@ -45,7 +45,7 @@ memory_type_name(uefi::memory_type t)
switch(t) {
case args_type: return L"jsix kernel args";
case module_type: return L"jsix bootloader module";
case kernel_type: return L"jsix kernel code";
case program_type: return L"jsix kernel or program code";
case table_type: return L"jsix page tables";
default: return L"Bad Type Value";
}
@@ -195,8 +195,8 @@ build_kernel_mem_map(kernel::args::header *args, uefi::boot_services *bs)
type = mem_type::module;
break;
case kernel_type:
type = mem_type::kernel;
case program_type:
type = mem_type::program;
break;
case table_type:
@@ -233,21 +233,7 @@ build_kernel_mem_map(kernel::args::header *args, uefi::boot_services *bs)
// Give just the actually-set entries in the header
args->mem_map = kernel_map;
args->num_map_entries = i;
// But pass the entire allocated area in a module as well
kernel::args::module &module = args->modules[args->num_modules++];
module.location = reinterpret_cast<void*>(kernel_map);
module.size = map_size;
module.type = kernel::args::mod_type::memory_map;
/*
for (size_t i = 0; i<map.num_entries(); ++i) {
mem_entry &ent = kernel_map[i];
console::print(L" Range %lx (%x) %d [%lu]\r\n",
ent.start, ent.attr, ent.type, ent.pages);
}
*/
args->map_count = i;
return efi_map;
}