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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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15
src/boot/fs.cpp
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@@ -50,19 +50,19 @@ file::open(const wchar_t *path)
return file(fh, m_bs);
}
void *
file::load(size_t *out_size, uefi::memory_type mem_type)
buffer
file::load(uefi::memory_type mem_type)
{
uint8_t buffer[sizeof(uefi::protos::file_info) + 100];
size_t size = sizeof(buffer);
uint8_t info_buf[sizeof(uefi::protos::file_info) + 100];
size_t size = sizeof(info_buf);
uefi::guid info_guid = uefi::protos::file_info::guid;
try_or_raise(
m_file->get_info(&info_guid, &size, &buffer),
m_file->get_info(&info_guid, &size, &info_buf),
L"Could not get file info");
uefi::protos::file_info *info =
reinterpret_cast<uefi::protos::file_info*>(&buffer);
reinterpret_cast<uefi::protos::file_info*>(&info_buf);
size_t pages = memory::bytes_to_pages(info->file_size);
void *data = nullptr;
@@ -77,8 +77,7 @@ file::load(size_t *out_size, uefi::memory_type mem_type)
m_file->read(&size, data),
L"Could not read from file");
*out_size = size;
return data;
return { .data = data, .size = size };
}
file