From: Matthias Kruk <m@m10k.eu>
Date: Sat, 26 Oct 2019 05:12:54 +0000 (+0900)
Subject: Implement process_memcpy_ptop() function for copying data directly between processes
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=0770f8e4e5fde20ac77a08dd8723f35e702f9959;p=corax

Implement process_memcpy_ptop() function for copying data directly between processes
---

diff --git a/kernel/core/process.c b/kernel/core/process.c
index 2e994fa..17d0582 100644
--- a/kernel/core/process.c
+++ b/kernel/core/process.c
@@ -185,3 +185,12 @@ int process_memcpy_ktop(process_t *proc, void *dst, void *src, u32_t bytes)
 
 	return(ret_val);
 }
+
+int process_memcpy_ptop(process_t *dproc, void *dst, process_t *sproc, void *src, u32_t bytes)
+{
+	int ret_val;
+
+	ret_val = pg_dir_memcpy(dproc->p_pgdir, dst, sproc->p_pgdir, src, bytes);
+
+	return(ret_val);
+}
diff --git a/kernel/include/process.h b/kernel/include/process.h
index f5ad6ba..f8c80bf 100644
--- a/kernel/include/process.h
+++ b/kernel/include/process.h
@@ -34,5 +34,6 @@ process_t* process_get_current(void);
 
 int process_memcpy_ptok(process_t*, void*, void*, u32_t);
 int process_memcpy_ktop(process_t*, void*, void*, u32_t);
+int process_memcpy_ptop(process_t*, void*, process_t*, void*, u32_t);
 
 #endif /* __PROCESS_H */