From fac1f772709e99e6137c7c1caa1b622010ff1750 Mon Sep 17 00:00:00 2001 From: able Date: Mon, 11 Mar 2024 09:48:56 -0500 Subject: [PATCH] memory service --- kernel/src/holeybytes/ecah.rs | 33 ++++++------- .../holeybytes/kernel_services/mem_serve.idl | 22 +++++++++ .../holeybytes/kernel_services/mem_serve.rs | 48 +++++++++++++++++++ kernel/src/holeybytes/kernel_services/mod.rs | 1 + kernel/src/holeybytes/mem.rs | 26 +++++++++- kernel/src/holeybytes/mod.rs | 3 +- repbuild/src/main.rs | 2 +- sysdata/test-programs/main.rhai | 28 +++++++++-- sysdata/testing.idl | 26 ++++++---- 9 files changed, 157 insertions(+), 32 deletions(-) create mode 100644 kernel/src/holeybytes/kernel_services/mem_serve.idl create mode 100644 kernel/src/holeybytes/kernel_services/mem_serve.rs create mode 100644 kernel/src/holeybytes/kernel_services/mod.rs diff --git a/kernel/src/holeybytes/ecah.rs b/kernel/src/holeybytes/ecah.rs index ff7aeee6..e5808a2e 100644 --- a/kernel/src/holeybytes/ecah.rs +++ b/kernel/src/holeybytes/ecah.rs @@ -72,13 +72,14 @@ pub fn handler(vm: &mut Vm) { Ok(()) => {} Err(err) => log::error!("Improper log format"), }, - 2 => match memory_msg_handler(vm, mem_addr, length) { - Ok(()) => { - let free_chunks = allocator::get_free_chunks_count(); - debug!("Free chunk count: {}", free_chunks); + 2 => { + use crate::holeybytes::kernel_services::mem_serve::memory_msg_handler; + match memory_msg_handler(vm, mem_addr, length) { + Ok(_) => {} + Err(_) => {} } - Err(err) => log::error!("Improper log format"), - }, + // + } buffer_id => { let mut buffs = IPC_BUFFERS.lock(); @@ -173,13 +174,13 @@ pub enum LogError { } use {alloc::vec, log::Record}; -fn memory_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> { - let mut val = alloc::vec::Vec::new(); - for _ in 0..4096 { - val.push(0); - } - info!("Block address: {:?}", val.as_ptr()); - vm.registers[1] = hbvm::value::Value(val.as_ptr() as u64); - vm.registers[2] = hbvm::value::Value(4096); - Ok(()) -} +// fn memory_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> { +// let mut val = alloc::vec::Vec::new(); +// for _ in 0..4096 { +// val.push(0); +// } +// info!("Block address: {:?}", val.as_ptr()); +// vm.registers[1] = hbvm::value::Value(val.as_ptr() as u64); +// vm.registers[2] = hbvm::value::Value(4096); +// Ok(()) +// } diff --git a/kernel/src/holeybytes/kernel_services/mem_serve.idl b/kernel/src/holeybytes/kernel_services/mem_serve.idl new file mode 100644 index 00000000..29d2f60f --- /dev/null +++ b/kernel/src/holeybytes/kernel_services/mem_serve.idl @@ -0,0 +1,22 @@ +enum MemoryServiceResult { + +} + +@alignment(4096) +type PageAlignedPointer = pointer; + +type RID = u64; + + + +@nonexhaustive +@version 1.0 +protocol MemoryService { + @validator(page_count, Range(1..16)) + fn map_pages(page_count: u8, ptr: Optional) -> MemoryServiceResult; + fn unmap_pages(ptr: PageAlignedPointer) -> MemoryServiceResult; + // ptr must be page aligned and already mapped from map_pages + fn map_hardware(hw: RID, ptr: PageAlignedPointer) -> MemoryServiceResult; + fn unmap_hardware(hw: RID) -> MemoryServiceResult; + +} \ No newline at end of file diff --git a/kernel/src/holeybytes/kernel_services/mem_serve.rs b/kernel/src/holeybytes/kernel_services/mem_serve.rs new file mode 100644 index 00000000..8f144803 --- /dev/null +++ b/kernel/src/holeybytes/kernel_services/mem_serve.rs @@ -0,0 +1,48 @@ +use { + crate::holeybytes::{ecah::LogError, kernel_services::mem_serve, Vm}, + log::info, +}; + +pub enum MemoryServiceError { + InvalidMemoryFormat, +} + +fn alloc_page(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), MemoryServiceError> { + let mut val = alloc::vec::Vec::new(); + for _ in 0..4096 { + val.push(0); + } + info!("Block address: {:?}", val.as_ptr()); + vm.registers[1] = hbvm::value::Value(val.as_ptr() as u64); + vm.registers[2] = hbvm::value::Value(4096); + Ok(()) +} + +pub fn memory_msg_handler( + vm: &mut Vm, + mem_addr: u64, + length: usize, +) -> Result<(), MemoryServiceError> { + let msg_type = (mem_addr) as *const u8; + // info!("memory message type {:?}", unsafe { msg_type.read() }); + + let ptr = (mem_addr + 1) as *const u64; + // info!("ptr: {:x?}", unsafe { ptr.read() }); + + let page_count_addr = (mem_addr + 9) as *const u8; + // let page_count = unsafe { page_count_addr.read() }; + // info!("page count {}", page_count); + // if page_count > 16 { + // use log::error; + // error!("Map less pages at a time"); + // } + Ok(()) +} + +// match memory_msg_handler(vm, mem_addr, length) { +// Ok(()) => { +// let free_chunks = allocator::get_free_chunks_count(); +// debug!("Free chunk count: {}", free_chunks); +// } +// Err(err) => log::error!("Improper log format"), +// }; diff --git a/kernel/src/holeybytes/kernel_services/mod.rs b/kernel/src/holeybytes/kernel_services/mod.rs new file mode 100644 index 00000000..6e454bcb --- /dev/null +++ b/kernel/src/holeybytes/kernel_services/mod.rs @@ -0,0 +1 @@ +pub mod mem_serve; diff --git a/kernel/src/holeybytes/mem.rs b/kernel/src/holeybytes/mem.rs index 558f457f..e3f66a28 100644 --- a/kernel/src/holeybytes/mem.rs +++ b/kernel/src/holeybytes/mem.rs @@ -6,7 +6,29 @@ use hbvm::mem::Address; -pub struct Memory; +fn calc_start_of_page(ptr: u64) -> u64 { + let mut page_aligned = false; + if ptr % 4096 == 0 { + // page_aligned = true; + return ptr / 4096; + } + panic!("unaligned"); +} + +pub struct Memory { + // TODO: map page aligned segments of memory into a table or some sort here +} + +impl Memory { + #[cfg(target_arch = "x86_64")] + fn read_device(addr: Address) { + unsafe { + // + // x86_64::instructions::port::Port::new(addr.get()).read() + } + } +} + impl hbvm::mem::Memory for Memory { #[inline] unsafe fn load( @@ -15,6 +37,8 @@ impl hbvm::mem::Memory for Memory { target: *mut u8, count: usize, ) -> Result<(), hbvm::mem::LoadError> { + use log::{error, info}; + if addr.get() % 4096 == 0 {} core::ptr::copy(addr.get() as *const u8, target, count); Ok(()) } diff --git a/kernel/src/holeybytes/mod.rs b/kernel/src/holeybytes/mod.rs index a7440b4a..6ae91ca7 100644 --- a/kernel/src/holeybytes/mod.rs +++ b/kernel/src/holeybytes/mod.rs @@ -1,4 +1,5 @@ mod ecah; +mod kernel_services; mod mem; use { @@ -35,7 +36,7 @@ impl<'p> ExecThread<'p> { pub unsafe fn new(program: &'p [u8], entrypoint: Address) -> Self { let mut vm = unsafe { Vm::new( - mem::Memory, + mem::Memory {}, Address::new(program.as_ptr() as u64 + entrypoint.get()), ) }; diff --git a/repbuild/src/main.rs b/repbuild/src/main.rs index ae2448f3..ea49725f 100644 --- a/repbuild/src/main.rs +++ b/repbuild/src/main.rs @@ -260,7 +260,7 @@ TERM_BACKDROP={} .attach_printable("Copying Limine (ARM): have you pulled the submodule?")?, &mut bootdir.create_file("bootaa64.efi")?, )?; - + // TODO: Remove this and replace it with pulling executables from the system_config for fpath in [ "sysdata/background.bmp", "target/test-programs/failure.hbf", diff --git a/sysdata/test-programs/main.rhai b/sysdata/test-programs/main.rhai index ccfc70ff..f92748f0 100644 --- a/sysdata/test-programs/main.rhai +++ b/sysdata/test-programs/main.rhai @@ -1,13 +1,31 @@ import "sysdata/test-programs/hblib/std" as std; fn main(){ - std::Error(":+)"); - std::Warn("Your mom fell in a well!"); + std::Error(":o) h0nk"); + std::Warn("Your mom is a worm!"); std::Info("Hello, world!"); - std::Debug("XYZ"); - std::Trace("Trace Deez"); + // std::Debug("XYZ"); + // std::Trace("Trace Deez"); - std::ipc_send(2, 0, 0); + let ADDR = 0xFFFF_FFFF_8100_0000; + let ADDR_PLUS_ONE = ADDR + 1; + let ADDR_PLUS_NINE = ADDR + 9; + + li64(r25, 1); + st(r25, r0, ADDR, 1); + + li64(r25, 0); + st(r25, r0, ADDR_PLUS_ONE, 8); + + li64(r25, 17); + st(r25, r0, ADDR_PLUS_NINE, 1); + + li64(r1, 3); + li64(r2, 2); + li64(r3, ADDR); + li64(r4, 0); + + eca(); tx(); } diff --git a/sysdata/testing.idl b/sysdata/testing.idl index d3ed3263..a51c9198 100644 --- a/sysdata/testing.idl +++ b/sysdata/testing.idl @@ -3,7 +3,6 @@ type String { data [u8; length], } - // needs three bits to store this @exhaustive enum LogLevel { @@ -30,6 +29,14 @@ type LogMessage { 00100001 // ! ] +// This is displayed as bytes in memory +[ + 0x3 // INFO + 0xD // Length of the string + 0x48 + 0x69 + 0x21 +] @@ -40,14 +47,17 @@ enum LogResult { Error, } +@exhaustive protocol Logger { + fn log(LogMessage) -> LogResult; + + fn error(String) -> LogResult; + fn warn(String) -> LogResult; + fn info(String) -> LogResult; + fn debug(String) -> LogResult; + fn trace(String) -> LogResult; + fn flush() -> LogResult; } - - - - - - - +TODO argue about time being added after the fact in the logger or inplace by the loggee