Mercurial > hg > Members > tobaru > CbC_xv6

changeset 113:ef44d384ad9d

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rollback rev 52
author anatofuz <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Mon, 02 Dec 2019 11:17:04 +0900
parents b9df8ea87b42
children f3ebb813d0bf
files src/file.cbc src/file.h src/interface/SysRead.h src/pipe.cbc src/sysfile.cbc
diffstat 5 files changed, 22 insertions(+), 102 deletions(-) [+]
line wrap: on
line diff
--- a/src/file.cbc	Thu Nov 28 16:58:04 2019 +0900
+++ b/src/file.cbc	Mon Dec 02 11:17:04 2019 +0900
@@ -11,10 +11,7 @@
 #include "proc.h"
 
 #define __ncode __code
-
-#interface "SysRead.h"
-
-
+#
 struct devsw devsw[NDEV];
 struct cbc_devsw cbc_devsw[NDEV];
 
@@ -28,17 +25,6 @@
     initlock(&ftable.lock, "ftable");
 }
 
-SysRead* createFileRead(struct Context* cbc_context) {
-    struct SysRead* sys_read  = new SysRead();
-    struct FileRead* file_read = new FileRead();
-    sys_read->sys_read = (union Data*)file_read;
-    file_read->f = NULL;
-    sys_read->num = NULL;
-    sys_read->read = C_readFileRead;
-    sys_read->next = C_nextFileRead;
-    return sys_read;
-}
-
 // Allocate a file structure.
 struct file* filealloc (void)
 {
@@ -127,16 +113,14 @@
     goto next(r);
 }
 
-
-// Skip: generate_context
-__code cbc_fileread(struct file *f, char *addr, int n, __code next(int ret, ...))
+__ncode cbc_fileread (struct file *f, char *addr, int n, __code (*next)(int ret))
 {
     if (f->readable == 0) {
         goto next(-1);
     }
 
     if (f->type == FD_PIPE) {
-        piperead(f->pipe, addr, n);
+        goto cbc_piperead(f->pipe, addr, n, next);
         goto next(-1);
     }
 
@@ -238,11 +222,3 @@
     panic("filewrite");
 }
 
-__code readFileRead(__code next(...)) {
-
-  goto next(...);
-}
-
-__code nextFileRead(...) {
-
-}
--- a/src/file.h	Thu Nov 28 16:58:04 2019 +0900
+++ b/src/file.h	Mon Dec 02 11:17:04 2019 +0900
@@ -1,14 +1,3 @@
-struct file {
-    enum { FD_NONE, FD_PIPE, FD_INODE } type;
-    int          ref;   // reference count
-    char         readable;
-    char         writable;
-    struct pipe  *pipe;
-    struct inode *ip;
-    uint         off;
-};
-
-
 // in-memory copy of an inode
 struct inode {
     uint    dev;        // Device number
--- a/src/interface/SysRead.h	Thu Nov 28 16:58:04 2019 +0900
+++ b/src/interface/SysRead.h	Mon Dec 02 11:17:04 2019 +0900
@@ -1,9 +1,9 @@
 typedef struct SysRead<Type, Impl>{
    union  Data* sys_read;
    struct UInteger* num;
-   int n;
+   struct Integer* n;
    struct String *p;
-   __code read(__code next(...));
+   __code read(Type* sys_read, __code next(...));
    //__code ret(Impl* cbc_sys_file, UInteger* num);
    __code next(...);
 } SysRead;
--- a/src/pipe.cbc	Thu Nov 28 16:58:04 2019 +0900
+++ b/src/pipe.cbc	Mon Dec 02 11:17:04 2019 +0900
@@ -20,14 +20,6 @@
     int writeopen;  // write fd is still open
 };
 
-struct PipeRead* create_pipe_read(struct Context* context) {
-    struct SysRead* sys_read = new SysRead();
-    struct PipeRead* pipe_read = new PipeRead();
-    sys_read->sys_read = (union Data*)pipe_read;
-    sys_red->read = C_cbc_piperead;
-    return sys_read;
-}
-
 int pipealloc(struct file **f0, struct file **f1)
 {
     struct pipe *p;
@@ -152,30 +144,30 @@
     goto cbc_wakeup(&p->nwrite, cbc_piperead3);  //DOC: piperead-wakeup
 }
 
-__ncode cbc_piperead1(struct PipeRead* pipe_read){
-    struct pipe *p = pipe_read->pipe;
+__ncode cbc_piperead1(){
+    struct pipe *p = proc->cbc_arg.cbc_console_arg.p;
     __code(*next)(int ret) = proc->cbc_arg.cbc_console_arg.next;
-    if (pipe->nread == pipe->nwrite && pipe->writeopen){
+    if (p->nread == p->nwrite && p->writeopen){
         if(proc->killed){
-            release(&pipe->lock);
+            release(&p->lock);
             goto next(-1);
         }
-        //pipe_read->pipe = p;
-        goto cbc_sleep(&pipe->nread, &pipe->lock, cbc_piperead1);        
+        proc->cbc_arg.cbc_console_arg.p = p;
+        goto cbc_sleep(&p->nread, &p->lock, cbc_piperead1);        
     }
     int i = 0;
-    pipe_read->i->value = i;
-    //pipe_read->pipe = p;
+    proc->cbc_arg.cbc_console_arg.i = i;
+    proc->cbc_arg.cbc_console_arg.p = p;
     goto cbc_piperead2();
 }
 
-__ncode cbc_piperead(struct PipeRead* pipe_read, struct pipe *p, char *addr, int n, __code (*next)(int ret))
+__ncode cbc_piperead(struct pipe *p, char *addr, int n, __code (*next)(int ret))
 {
     acquire(&p->lock);
-    //proc->cbc_arg.cbc_console_arg.n = n;
-    //proc->cbc_arg.cbc_console_arg.p = p;
-    //proc->cbc_arg.cbc_console_arg.addr = addr;
-    //proc->cbc_arg.cbc_console_arg.next = next;
+    proc->cbc_arg.cbc_console_arg.n = n;
+    proc->cbc_arg.cbc_console_arg.p = p;
+    proc->cbc_arg.cbc_console_arg.addr = addr;
+    proc->cbc_arg.cbc_console_arg.next = next;
     goto cbc_piperead1();
 }
 
--- a/src/sysfile.cbc	Thu Nov 28 16:58:04 2019 +0900
+++ b/src/sysfile.cbc	Mon Dec 02 11:17:04 2019 +0900
@@ -14,33 +14,8 @@
 #include "file.h"
 #include "fcntl.h"
 
-#include "arm.h"
-#include "syscall.h"
-#interface "CbCSysFile.h"
-
 #define __ncode __code
 
-struct CbCSysFile* create_cbc_sys_file(struct Context* cbc_context) {
-  struct CbCSysFile* cbc_file = new CbCSysFile();
-  cbc_file->read = C_cbc_fileread;
-  cbc_file->cbc_file_ret = C_cbc_file_ret;
-  return cbc_file;
-}
-
-__code cbc_file_trap_return(){
-    return;
-}
-
-__code cbc_file_ret(struct CbCSysFile* cbc_sys_file, struct UInteger* ret){
-    int num = cbc_sys_file->num->value; 
-    uint return_value = ret->value;
-    //int num = proc->cbc_arg.cbc_console_arg.num;
-    if (num != SYS_exec) {
-        proc->tf->r0 = return_value;
-    }
-    goto cbc_file_trap_return();
-}
-
 // Fetch the nth word-sized system call argument as a file descriptor
 // and return both the descriptor and the corresponding struct file.
 static int argfd(int n, int *pfd, struct file **pf)
@@ -101,27 +76,15 @@
     return fd;
 }
 
-__code cbc_read(struct CbCSysFile* cbc_file){
-    //struct CbCSysFile* cbc_file = create_cbc_sys_file(cbc_context);
-    goto cbc_fileread();
-}
-
-__code cbc_read_stub(struct Context* cbc_context){
+__ncode cbc_read(__code (*next)(int ret)){
     struct file *f;
     int n;
     char *p;
-    
-    CbCSysFile* cbc_sys_file = (CbCSysFile*)Gearef(cbc_context,CbCSysFile);
+
     if(argfd(0, 0, &f) < 0 || argint(2, &n) < 0 || argptr(1, &p, n) < 0) {
-        //__code cbc_file_ret(struct CbCSysFile* cbc_sys_file, struct UInteger* ret){
-        UInteger* ret = (UInteger*)Gearef(cbc_context,UInteger);
-        ret->value = -1;
-        goto cbc_file_ret(cbc_context, cbc_sys_file, ret);
+        goto next(-1);
     }
-    cbc_sys_file->f = f;
-    cbc_sys_file->n = n;
-    cbc_sys_file->p = p;
-    goto cbc_read(cbc_context,cbc_sys_file);
+    goto cbc_fileread(f, p, n, next);
 }
 
 int sys_read(void)