refactor: one more step towards arch-agnostic design

[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 bb55f0219c632897a8f6bfe4fc6e7d5a6d8a4745..6ef1ff0eed297e13f557963a638ff9c9a44e0449 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -1,7 +1,6 @@
 #ifndef __LUNAIX_PROCESS_H
 #define __LUNAIX_PROCESS_H
 
 #ifndef __LUNAIX_PROCESS_H
 #define __LUNAIX_PROCESS_H
 

-#include <arch/x86/interrupts.h>

 #include <lunaix/clock.h>
 #include <lunaix/ds/waitq.h>
 #include <lunaix/fs.h>
 #include <lunaix/clock.h>
 #include <lunaix/ds/waitq.h>
 #include <lunaix/fs.h>


@@ -11,6 +10,7 @@
 #include <lunaix/timer.h>
 #include <lunaix/types.h>
 #include <stdint.h>
 #include <lunaix/timer.h>
 #include <lunaix/types.h>
 #include <stdint.h>

+#include <sys/interrupts.h>

 
 // 虽然内核不是进程，但为了区分，这里使用Pid=-1来指代内核。这主要是方便物理页所有权检查。
 #define KERNEL_PID -1
 
 // 虽然内核不是进程，但为了区分，这里使用Pid=-1来指代内核。这主要是方便物理页所有权检查。
 #define KERNEL_PID -1


@@ -41,17 +41,9 @@
 #define PS_GrBP (PS_PAUSED | PS_BLOCKED)
 #define PS_GrDT (PS_TERMNAT | PS_DESTROY)
 
 #define PS_GrBP (PS_PAUSED | PS_BLOCKED)
 #define PS_GrDT (PS_TERMNAT | PS_DESTROY)
 

-#define PROC_TERMINATED(state) ((state)&PS_GrDT)
-#define PROC_HANGED(state) ((state)&PS_BLOCKED)
-#define PROC_RUNNABLE(state) ((state)&PS_PAUSED)
-
-#define PROC_FINPAUSE 1
-
-struct proc_sigstate
-{
-    isr_param proc_regs;
-    char fxstate[512] __attribute__((aligned(16)));
-};
+#define proc_terminated(proc) (((proc)->state) & PS_GrDT)
+#define proc_hanged(proc) (((proc)->state) & PS_BLOCKED)
+#define proc_runnable(proc) (((proc)->state) & PS_PAUSED)

 
 struct sigact
 {
 
 struct sigact
 {


@@ -75,25 +67,24 @@ struct proc_sig
     int sig_num;
     void* sigact;
     void* sighand;
     int sig_num;
     void* sigact;
     void* sighand;

-    struct proc_sigstate prev_context;
+    isr_param* saved_ictx;

 } __attribute__((packed));
 
 struct proc_info
 {
     /*
         Any change to *critical section*, including layout, size
 } __attribute__((packed));
 
 struct proc_info
 {
     /*
         Any change to *critical section*, including layout, size

-        must be reflected in kernel/asm/x86/interrupt.S to avoid
+        must be reflected in arch/i386/interrupt.S.inc to avoid

         disaster!
      */
 
     /* ---- critical section start ---- */
 
         disaster!
      */
 
     /* ---- critical section start ---- */
 

-    pid_t pid;                // offset = 0
-    struct proc_info* parent; // offset = 4
-    isr_param* intr_ctx;      // offset = 8
-    ptr_t ustack_top;         // offset = 84 -> 56 -> 60 -> 12
-    ptr_t page_table;         // offset = 88 -> 60 -> 64 -> 16
-    void* fxstate;            // offset = 92 -> 64 -> 68 -> 20
+    pid_t pid;
+    struct proc_info* parent;
+    isr_param* intr_ctx;
+    ptr_t ustack_top;
+    ptr_t page_table;

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


@@ -115,7 +106,6 @@ struct proc_info
     u8_t state;
     int32_t exit_code;
     int32_t k_status;
     u8_t state;
     int32_t exit_code;
     int32_t k_status;

-    int flags;

     struct sighail sigctx;
     struct v_fdtable* fdtable;
     struct v_dnode* cwd;
     struct sighail sigctx;
     struct v_fdtable* fdtable;
     struct v_dnode* cwd;


@@ -202,4 +192,13 @@ get_process(pid_t pid);
 void
 proc_setsignal(struct proc_info* proc, int signum);
 
 void
 proc_setsignal(struct proc_info* proc, int signum);
 

+void
+proc_clear_signal(struct proc_info* proc);
+
+// enable interrupt upon transfer
+#define TRANSFER_IE 1
+
+void
+proc_init_transfer(struct proc_info* proc, ptr_t stop, ptr_t target, int flags);
+

 #endif /* __LUNAIX_PROCESS_H */
 #endif /* __LUNAIX_PROCESS_H */