Mercurial > hg > CbC > CbC_xv6

changeset 214:90b65036d9a2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
paging_init
author tobaru
date Fri, 24 Jan 2020 18:33:52 +0900
parents 7a4d299a35be
children 37900976db8e
files src/impl/vm_impl.cbc src/impl/vm_impl.h src/impl/vm_impl_private.cbc
diffstat 3 files changed, 19 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/src/impl/vm_impl.cbc	Fri Jan 24 18:10:26 2020 +0900
+++ b/src/impl/vm_impl.cbc	Fri Jan 24 18:33:52 2020 +0900
@@ -32,6 +32,7 @@
     vm_impl->copyuvm_loop = C_copyuvm_loopvm_impl;
     vm_impl->uva2ka_check_pe_types = C_uva2ka_check_pe_types;
     vm_impl->paging_intvm_impl = C_paging_intvmvm_impl;
+    vm_impl->copyout_loopvm_impl = C_copyout_loopvm_impl;
     vm->init_vmm = C_init_vmmvm_impl;
     vm->kpt_freerange = C_kpt_freerangevm_impl;
     vm->kpt_alloc = C_kpt_allocvm_impl;
@@ -131,8 +132,10 @@
 }
 
 __code copyoutvm_impl(struct vm_impl* vm, pde_t* pgdir, uint va, void* pp, uint len, __code next(...)) {
-    
-    goto next(...);
+
+    vm->buf = (char*) pp;    
+
+    goto copyout_loopvm_impl(vm, pgdir, va, pp, len, next(...));
 }
 
 __code paging_intvm_impl(struct vm_impl* vm, uint phy_low, uint phy_hi, __code next(...)) {
--- a/src/impl/vm_impl.h	Fri Jan 24 18:10:26 2020 +0900
+++ b/src/impl/vm_impl.h	Fri Jan 24 18:33:52 2020 +0900
@@ -19,6 +19,12 @@
     uint ap;
     uint phy_low;
     uint phy_hi;
+    uint va;
+    void* pp;
+    uint len;
+    char* buf;
+    char* pa0;
+    uint va0;
 
     __code kpt_alloc_check_impl(Type* vm_impl, __code next(...));
     __code loaduvm_ptesize_check(Type* vm_impl, __code next(int ret, ...));
@@ -30,8 +36,8 @@
     __code clearpteu_check_ptevm_impl(Type* vm_impl, pde_t* pgdir, char* uva,  __code next(...));
     __code uva2ka_check_pe_types(Type* vm_impl, pde_t* pgdir, char* uva, __code next(...));
     __code paging_intvm_impl(Type* vm_impl, uint phy_low, uint phy_hi, __code next(...));
+    __code copyout_loopvm_impl(Type* vm_impl, pde_t* pgdir, uint va, void* pp, uint len, __code next(...));
     __code next(...);
-
 } vm_impl;
 
 
--- a/src/impl/vm_impl_private.cbc	Fri Jan 24 18:10:26 2020 +0900
+++ b/src/impl/vm_impl_private.cbc	Fri Jan 24 18:33:52 2020 +0900
@@ -327,6 +327,12 @@
     mappages (P2V(&_kernel_pgtbl), P2V(phy_low), phy_hi - phy_low, phy_low, AP_KU);
     flush_tlb ();
 
-    goto next(...));
+    goto next(...);
 }
 
+__code copyout_loopvm_impl(struct vm_impl* vm_impl, pde_t* pgdir, uint va, void* pp, uint len, __code next(...)) {
+
+    goto next(...);
+}
+
+