smem.c File Reference

#include <kernel.h>
#include <string.h>
#include "smem.h"

Include dependency graph for smem.c:

Go to the source code of this file.

Functions
u32	smem_read (void *addr, void *buf, u32 size)
u32	smem_write (void *addr, void *buf, u32 size)

Detailed Description

Sub-CPU RAM direct access.

Definition in file smem.c.

Function Documentation

smem_read()

u32 smem_read	(	void *	addr,
		void *	buf,
		u32	size
	)

Definition at line 21 of file smem.c.

{
        DI();
        ee_kmode_enter();
 
        memcpy(buf, addr + SUB_VIRT_MEM, size);
 
        ee_kmode_exit();
        EI();
 
        return size;
}

References DI, ee_kmode_enter(), ee_kmode_exit(), EI, and SUB_VIRT_MEM.

smem_write()

u32 smem_write	(	void *	addr,
		void *	buf,
		u32	size
	)

Definition at line 34 of file smem.c.

{
        DI();
        ee_kmode_enter();
 
        memcpy(addr + SUB_VIRT_MEM, buf, size);
 
        ee_kmode_exit();
        EI();
 
        return size;
}

References DI, ee_kmode_enter(), ee_kmode_exit(), EI, and SUB_VIRT_MEM.