feat: (vm) memory mapping support: mmap/munmap

[lunaix-os.git] / lunaix-os / includes / lunaix / process.h

diff --git a/lunaix-os/includes/lunaix/process.h b/lunaix-os/includes/lunaix/process.h
index c7b925ef59651532d3da80ab6a6f0fbc68fe0f28..1eacf127a28e31ea567a42f12b8b680e69533f8a 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -28,17 +28,21 @@
 struct proc_mm
 {
     heap_context_t u_heap;
 struct proc_mm
 {
     heap_context_t u_heap;

-    struct mm_region regions;
+    struct llist_header regions;
+};
+
+struct proc_sigstate
+{
+    isr_param proc_regs;
+    char fxstate[512] __attribute__((aligned(16)));

 };
 
 struct proc_sig
 {
     void* signal_handler;
     int sig_num;
 };
 
 struct proc_sig
 {
     void* signal_handler;
     int sig_num;

-    isr_param prev_context;
-};
-
-#define PROC_SIG_SIZE sizeof(struct proc_sig) // size=84
+    struct proc_sigstate prev_context;
+} __attribute__((packed));

 
 struct proc_info
 {
 
 struct proc_info
 {


@@ -50,11 +54,12 @@ struct proc_info
 
     /* ---- critical section start ---- */
 
 
     /* ---- critical section start ---- */
 

-    pid_t pid;
-    struct proc_info* parent;
-    isr_param intr_ctx; // size=76
-    uintptr_t ustack_top;
-    void* page_table;
+    pid_t pid;                // offset = 0
+    struct proc_info* parent; // offset = 4
+    isr_param intr_ctx;       // offset = 8
+    uintptr_t ustack_top;     // offset = 84
+    void* page_table;         // offset = 88
+    void* fxstate;            // offset = 92

 
     /* ---- critical section end ---- */
 
 
     /* ---- critical section end ---- */
 


@@ -88,6 +93,12 @@ struct proc_info
 
 extern volatile struct proc_info* __current;
 
 
 extern volatile struct proc_info* __current;
 

+static inline void
+block_current()
+{
+    __current->state = PS_BLOCKED;
+}
+

 /**
  * @brief 分配并初始化一个进程控制块
  *
 /**
  * @brief 分配并初始化一个进程控制块
  *