From df86c272f39038c4dae53d570552920eecfde9d7 Mon Sep 17 00:00:00 2001
From: Able <abl3theabove@gmail.com>
Date: Mon, 7 Feb 2022 03:42:57 -0600
Subject: [PATCH] qprofiler integration

---
 .gitignore          |  3 ++-
 ableos/Cargo.lock   | 21 +++++++++++++++++++++
 ableos/Cargo.toml   |  8 ++++++++
 ableos/src/kmain.rs | 30 ++++++++++++++++++++++++++++++
 4 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 284a6a6..f58b9cb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,5 @@ repbuild/target
 ableos/target
 aos_wasm_stress_test/target
 facepalm/target
-shadeable/target
\ No newline at end of file
+shadeable/target
+qprofiler
\ No newline at end of file
diff --git a/ableos/Cargo.lock b/ableos/Cargo.lock
index feb5fc6..4210efd 100644
--- a/ableos/Cargo.lock
+++ b/ableos/Cargo.lock
@@ -27,6 +27,7 @@ name = "ableos"
 version = "0.1.0"
 dependencies = [
  "ab_glyph",
+ "acpi",
  "bootloader",
  "cpuio",
  "externc-libm",
@@ -55,6 +56,17 @@ dependencies = [
  "y-compositor-protocol",
 ]
 
+[[package]]
+name = "acpi"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55237649c6e747ea67e5ed45125af5e6a35ea1250c5e44995eb6049a955bd004"
+dependencies = [
+ "bit_field",
+ "log",
+ "rsdp",
+]
+
 [[package]]
 name = "ahash"
 version = "0.7.6"
@@ -477,6 +489,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "rsdp"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66d3add2fc55ef37511bcf81a08ee7a09eff07b23aae38b06a29024a38c604b1"
+dependencies = [
+ "log",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.9"
diff --git a/ableos/Cargo.toml b/ableos/Cargo.toml
index ec23671..eb4db11 100644
--- a/ableos/Cargo.toml
+++ b/ableos/Cargo.toml
@@ -32,6 +32,11 @@ run-args = [
     # A simple example of a boot image
     "-drive",
     "file=disk.qcow2,if=none,id=drive0",
+    
+# "-qmp",
+#  "unix:../qmp-sock,server,nowait"
+
+
 ]
 test-args = [
     "-device",
@@ -53,6 +58,9 @@ picorand = "*"
 # watson = "0.4"
 
 
+acpi = "4.1.0"
+
+
 [dependencies.rdrand]
 version = "0.8.1"
 default-features = false
diff --git a/ableos/src/kmain.rs b/ableos/src/kmain.rs
index 8cae943..9b741bc 100644
--- a/ableos/src/kmain.rs
+++ b/ableos/src/kmain.rs
@@ -1,5 +1,7 @@
 #![allow(clippy::empty_loop)]
 
+use acpi::AcpiTables;
+
 use {
     crate::{
         arch::{init, sloop},
@@ -72,6 +74,13 @@ pub fn kernel_main() -> ! {
             mode.copy_to_buffer();
         }
     }
+    if false {
+        // Currently not implemented
+        let acpi_handler = ACPI_struct {};
+        unsafe {
+            let table = AcpiTables::search_for_rsdp_bios(acpi_handler);
+        }
+    }
 
     start_facepalm();
 
@@ -112,3 +121,24 @@ pub fn generate_process_pass() -> u128 {
     let ret = (gen.try_next_u64().unwrap() as u128) << 64 | (gen.try_next_u64().unwrap() as u128);
     ret
 }
+
+// TODO: move to a better place
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub struct ACPI_struct {}
+
+impl acpi::AcpiHandler for ACPI_struct {
+    unsafe fn map_physical_region<T>(
+        &self,
+        physical_address: usize,
+        size: usize,
+    ) -> acpi::PhysicalMapping<Self, T> {
+        info!("PHYS ADDR: {:?}", physical_address);
+        info!("Size: {:?}", size);
+
+        todo!("map_physical_region");
+    }
+
+    fn unmap_physical_region<T>(region: &acpi::PhysicalMapping<Self, T>) {
+        todo!("unmap_physical_region");
+    }
+}