task and workers + ring3

.gdbinit

@@ -1,3 +1,5 @@
 add-symbol-file target/x86_64-unknown-none/debug/kernel
-br gdt.rs:radian_core::gdt::Manager::reload_segments
+br test_usermode
+br cpu.rs:radian_core::cpu::Manager::dummy_int_handler
+br task.rs:radian_core::task::Manager::switch_to_usermode
 target remote localhost:1234

Makefile

@@ -38,7 +38,8 @@ build-bootloader:
 	cargo build $(if $(RELEASE),--release,) --target x86_64-unknown-uefi --bin boot
 
 build-kernel:
-	RUSTFLAGS='-C link-arg=-Tsystem/drivers/src/kernel.ld -C relocation-model=static' cargo build $(if $(RELEASE),--release,) --target x86_64-unknown-none --bin kernel
+	clang -ffreestanding -nostdlib -O2 -Wall -T ./system/drivers/src/driver.ld ./system/core/bin/test.c -o ./system/core/bin/test.elf
+	RUSTFLAGS='-C link-arg=-Tsystem/core/bin/kernel.ld -C relocation-model=static' cargo build $(if $(RELEASE),--release,) --target x86_64-unknown-none --bin kernel
 
 build-drivers:
 	clear && objdump -t target/x86_64-unknown-none/debug/deps/libradian_core-eee6dde371a58c3d.a | awk '/a/ {print "PROVIDE( \"" $4 "\" = " $1 ");"}' | awk '!seen[$2]++' | sort
@@ -70,7 +71,7 @@ qemu: iso
 		-drive if=pflash,format=raw,readonly=on,file=$(OVMF_CODE) \
 		-drive format=raw,file=$(ISO_FILE) \
 		-smp 4 -m 4G -cpu max -s -d unimp,guest_errors,invalid_mem,int \
-		--serial mon:stdio \
+		-monitor stdio \
 		-device qemu-xhci -device usb-kbd -audiodev pa,id=snd0 -machine pcspk-audiodev=snd0 -M q35 --no-reboot
 
 qemu-nographic: iso # yo stop allocating so much my pc only has 8G atleast allocate 2G

boot/Cargo.toml

@@ -3,12 +3,6 @@ name = "boot"
 version = "0.1.0"
 edition = "2024"
 
-[profile.dev]
-panic = "abort"
-
-[profile.release]
-panic = "abort"
-
 [dependencies]
 panic-abort = "0.3.2"
 uefi = { version = "0.35.0", features = ["alloc", "global_allocator", "logger", "panic_handler"] }

syscalls_doc.txt

@@ -0,0 +1,38 @@
+interrupt vector => 0xf0
+
+[IN] rax = #id of syscall
+[IN] r9 = arg1
+[IN] r10 = arg2
+[IN] r11 = arg3
+[IN] r12 = arg4
+[OUT] r15 = return value
+
+#id     ?
+0x600   signal abort
+0x601   get errno
+    r15 errno
+0x602   exit
+    r9 code
+0x603   getpid
+    r15 pid
+0x700   yield now
+0x701   set name
+    r9 virtaddr name to &CStr
+0x702   sleep
+    r9 secs
+    r10 nanos
+0x703   spawn
+    r9 entrypoint
+    r10 stack
+    r15 tid
+0x704   available-parallelism
+    r15 count
+0x705   join
+    r9 tid
+0x800   alloc
+    r9 size
+    r10 size
+0x801   dealloc
+    r9 ptr
+    r10 size
+    r11 align

system/core/Cargo.toml

@@ -3,7 +3,12 @@ name = "radian_core"
 version = "0.1.0"
 edition = "2024"
 
+[[bin]]
+name = "kernel"
+path = "bin/kernel.rs"
+
 [lib]
 crate-type = ["staticlib", "rlib"]
 
 [dependencies]
+xmas-elf = "0.10.0"