refactor: Optimize the context switch overhead

[lunaix-os.git] / lunaix-os / includes / arch / x86 / interrupts.h

diff --git a/lunaix-os/includes/arch/x86/interrupts.h b/lunaix-os/includes/arch/x86/interrupts.h
index f1684a8ad1398d52919a4a28d41c01457ecfb886..0d7c815b541cfcb61b7050aeeea5656937ae6cd3 100644 (file)
--- a/lunaix-os/includes/arch/x86/interrupts.h
+++ b/lunaix-os/includes/arch/x86/interrupts.h
@@ -8,24 +8,25 @@
 
 struct exec_param;
 
 
 struct exec_param;
 

+struct regcontext
+{
+    reg32 eax;
+    reg32 ebx;
+    reg32 ecx;
+    reg32 edx;
+    reg32 edi;
+    reg32 ebp;
+    reg32 esi;
+    reg32 ds;
+    reg32 es;
+    reg32 fs;
+    reg32 gs;
+} __attribute__((packed));
+

 typedef struct
 {
     unsigned int depth;
 typedef struct
 {
     unsigned int depth;

-    struct
-    {
-        reg32 eax;
-        reg32 ebx;
-        reg32 ecx;
-        reg32 edx;
-        reg32 edi;
-        reg32 ebp;
-        reg32 esi;
-        reg32 ds;
-        reg32 es;
-        reg32 fs;
-        reg32 gs;
-    } __attribute__((packed)) registers;
-
+    struct regcontext registers;

     union
     {
         reg32 esp;
     union
     {
         reg32 esp;


@@ -35,14 +36,14 @@ typedef struct
 
 struct exec_param
 {
 
 struct exec_param
 {

-    isr_param saved_prev_ctx;
-    unsigned int vector;
-    unsigned int err_code;
-    unsigned int eip;
-    unsigned int cs;
-    unsigned int eflags;
-    unsigned int esp;
-    unsigned int ss;
+    isr_param* saved_prev_ctx;
+    u32_t vector;
+    u32_t err_code;
+    u32_t eip;
+    u32_t cs;
+    u32_t eflags;
+    u32_t esp;
+    u32_t ss;

 } __attribute__((packed));
 
 #define ISR_PARAM_SIZE sizeof(isr_param)
 } __attribute__((packed));
 
 #define ISR_PARAM_SIZE sizeof(isr_param)