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Add paging initialization point

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2911 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-09-02 20:52:55 +00:00
parent f30c5d1ad0
commit a4b42e8a72
3 changed files with 46 additions and 1 deletions
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14
configs/ea3131/src/ea3131_internal.h
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@ -2,7 +2,7 @@
* configs/ea3131/src/ea3131_internal.h
* arch/arm/src/board/ea3131_internal.n
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -106,6 +106,18 @@ extern void weak_function lpc313x_spiinitialize(void);
extern void weak_function lpc313x_usbinitialize(void);
/************************************************************************************
* Name: lpc313x_pginitialize
*
* Description:
* Set up mass storage device to support on demand paging.
*
************************************************************************************/
#ifdef CONFIG_PAGING
extern void weak_function lpc313x_pginitialize(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_EA3131_SRC_EA3131_INTERNAL_H */

9
configs/ea3131/src/up_boot.c
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@ -107,4 +107,13 @@ void lpc313x_boardinitialize(void)
#ifdef CONFIG_ARCH_LEDS
up_ledinit();
#endif
/* Set up mass storage device to support on demand paging */
#if defined(CONFIG_PAGING)
if (lpc313x_pginitialize)
{
lpc313x_pginitialize();
}
#endif
}

24
configs/ea3131/src/up_fillpage.c
View File

@ -132,4 +132,28 @@ int up_fillpage(FAR _TCB *tcb, FAR void *vpage, up_pgcallback_t pg_callback)
}
#endif
/************************************************************************************
* Name: lpc313x_pginitialize
*
* Description:
* Set up mass storage device to support on demand paging.
*
************************************************************************************/
void weak_function lpc313x_pginitialize(void)
{
/* This initialization does nothing in this example setup. But this function is
* where you might, for example:
*
* - Initialize and configure a mass storage device to support on-demand paging.
* This might be, perhaps an SD card or NAND memory. An SPI FLASH would probably
* already have been configured by lpc313x_spiinitialize(void);
* - Set up resources to support up_fillpage() operation. For example, perhaps the
* the text image is stored in a named binary file. In this case, the virtual
* text addresses might map to offsets into that file.
* - Do whatever else is necessary to make up_fillpage() ready for the first time
* that it is called.
*/
}
#endif /* CONFIG_PAGING */