Add the rust std as a custom sysroot

justfile

@@ -12,13 +12,19 @@ mount_filesystem:
 sync_filesystem:
     sync
 
+update-std:
+    @cd library/std && just update-std
+
+build-sysroot:
+    @cd library/std && just build-sysroot
+
 build_user_prog prog:
-    RUSTFLAGS="-C relocation-model=pic -C link-arg=-Tuser.ld -C link-arg=-pie" cargo b {{ cargo_flags }} --package {{ prog }}
+    RUSTFLAGS="-C relocation-model=pic -C link-arg=-pie --sysroot {{ justfile_directory() / "sysroot" }}" cargo b {{ cargo_flags }} --package {{ prog }}
     riscv64-elf-strip {{ bin_path / prog }}
     cp {{ bin_path / prog }} {{ "mnt/usr/bin" / prog }}
 
 build: mount_filesystem (map_dir "user" f"just release=\"{{release}}\" cargo_flags=\"{{cargo_flags}}\" build_user_prog")
-    cargo b {{ cargo_flags }}
+    RUSTFLAGS="-Clink-arg=-Tilm.ld --sysroot {{ justfile_directory() / "sysroot" }}" cargo b {{ cargo_flags }}
     just sync_filesystem
 
 run: build (runner f"{{bin_path / "kernel-rust"}}")
@@ -34,8 +40,8 @@ qemu := f"qemu-system-riscv64 \
     -device bochs-display \
     -device virtio-keyboard-pci \
     -device virtio-mouse-pci \
-    -device loader,file=disk.img,addr=0x90000000 \
-    -bios none -m 512M {{qemu_flags}}"
+    -device loader,file=disk.img,addr=0xA0000000 \
+    -bios none -m 1024M {{qemu_flags}}"
 
 # -trace \"virtio*\"
 # -d guest_errors,unimp,int"
@@ -53,4 +59,5 @@ runner args:
     {{ qemu }} -kernel {{ args }}
 
 clean:
+    cd library && just clean
     cargo clean