reorganised memory. starting on threads

kernel/src/arch/x86_64/processing/threading/deprecated.rs

@@ -71,43 +71,43 @@ impl ThreadContext {
         let mut context = Self::default();
         unsafe {
             asm!(
-            "mov {0}, rax",
-            "mov {1}, rbx",
-            "mov {2}, rcx",
-            "mov {3}, rdx",
-            "mov {4}, rsi",
-            "mov {5}, rdi",
-            "mov {6}, rbp",
-            "mov {7}, rsp",
-            "mov {8}, r8",
-            "mov {9}, r9",
-            "mov {10}, r10",
-            "mov {11}, r11",
-            "mov {12}, r12",
-            "mov {13}, r13",
-            "mov {14}, r14",
-            "mov {15}, r15",
-            "lea {16}, [rip]",
-            "pushf",
-            "pop {17}",
-            out(reg) context.rax,
-            out(reg) context.rbx,
-            out(reg) context.rcx,
-            out(reg) context.rdx,
-            out(reg) context.rsi,
-            out(reg) context.rdi,
-            out(reg) context.rbp,
-            out(reg) context.rsp,
-            out(reg) context.r8,
-            out(reg) context.r9,
-            out(reg) context.r10,
-            out(reg) context.r11,
-            out(reg) context.r12,
-            out(reg) context.r13,
-            out(reg) context.r14,
-            out(reg) context.r15,
-            out(reg) context.rip,
-            out(reg) context.rflags,
+                "mov {0}, rax",
+                "mov {1}, rbx",
+                "mov {2}, rcx",
+                "mov {3}, rdx",
+                "mov {4}, rsi",
+                "mov {5}, rdi",
+                "mov {6}, rbp",
+                "mov {7}, rsp",
+                "mov {8}, r8",
+                "mov {9}, r9",
+                "mov {10}, r10",
+                "mov {11}, r11",
+                "mov {12}, r12",
+                "mov {13}, r13",
+                "mov {14}, r14",
+                "mov {15}, r15",
+                "lea {16}, [rip]",
+                "pushf",
+                "pop {17}",
+                out(reg) context.rax,
+                out(reg) context.rbx,
+                out(reg) context.rcx,
+                out(reg) context.rdx,
+                out(reg) context.rsi,
+                out(reg) context.rdi,
+                out(reg) context.rbp,
+                out(reg) context.rsp,
+                out(reg) context.r8,
+                out(reg) context.r9,
+                out(reg) context.r10,
+                out(reg) context.r11,
+                out(reg) context.r12,
+                out(reg) context.r13,
+                out(reg) context.r14,
+                out(reg) context.r15,
+                out(reg) context.rip,
+                out(reg) context.rflags,
             );
         }
 

kernel/src/arch/x86_64/processing/threading/mod.rs

@@ -1,4 +1,5 @@
 use x86_64::VirtAddr;
+use crate::arch::x86_64::memory::allocation::stack_alloc::StackBounds;
 
 mod switch;
 
@@ -9,25 +10,7 @@ pub struct Thread {
     stack_bounds: Option<StackBounds>,
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
-pub struct StackBounds {
-    start: VirtAddr,
-    end: VirtAddr,
-}
 
-impl StackBounds {
-    pub fn new(start: VirtAddr, end: VirtAddr) -> Self {
-        Self { start, end }
-    }
-
-    pub fn start(&self) -> VirtAddr {
-        self.start
-    }
-
-    pub fn end(&self) -> VirtAddr {
-        self.end
-    }
-}
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
 pub struct ThreadId(u64);

kernel/src/arch/x86_64/processing/threading/switch.asm

@@ -0,0 +1,13 @@
+.intel_syntax noprefix
+
+switch_thread:
+    pushfq
+
+    mov rax, rsp
+    mov rsp, rdi
+
+    mov rdi, rax
+    call add_paused_thread
+
+    popfq
+    ret