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Add RISC-V base support

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This commit is contained in:
YanWQ-monad
2024-09-24 22:14:30 +08:00
committed by Tate, Hongliang Tian
parent 839c2a6689
commit 4fa0e6334b
46 changed files with 2436 additions and 12 deletions
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15
kernel/src/process/program_loader/elf/elf_file.rs
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@ -186,6 +186,11 @@ pub struct HeaderPt2_64 {
}
fn check_elf_header(elf_header: &ElfHeader) -> Result<()> {
#[cfg(target_arch = "riscv64")]
const EXPECTED_ELF_MACHINE: header::Machine = header::Machine::RISC_V;
#[cfg(target_arch = "x86_64")]
const EXPECTED_ELF_MACHINE: header::Machine = header::Machine::X86_64;
// 64bit
debug_assert_eq!(elf_header.pt1.class(), header::Class::SixtyFour);
if elf_header.pt1.class() != header::Class::SixtyFour {
@ -201,14 +206,14 @@ fn check_elf_header(elf_header: &ElfHeader) -> Result<()> {
// if elf_header.pt1.os_abi() != header::OsAbi::SystemV {
// return Error::new(Errno::ENOEXEC);
// }
// x86_64 architecture
debug_assert_eq!(elf_header.pt2.machine.as_machine(), header::Machine::X86_64);
if elf_header.pt2.machine.as_machine() != header::Machine::X86_64 {
return_errno_with_message!(Errno::ENOEXEC, "Not x86_64 executable");
if elf_header.pt2.machine.as_machine() != EXPECTED_ELF_MACHINE {
return_errno_with_message!(
Errno::ENOEXEC,
"Executable could not be run on this architecture"
);
}
// Executable file or shared object
let elf_type = elf_header.pt2.type_.as_type();
debug_assert!(elf_type == header::Type::Executable || elf_type == header::Type::SharedObject);
if elf_type != header::Type::Executable && elf_type != header::Type::SharedObject {
return_errno_with_message!(Errno::ENOEXEC, "Not executable file");
}