ACPI-20030228 and custom dsdt

ACPI-20030228 and custom dsdt

[Greg Oliver]

What is the secret for incorporating this into the 2.4.21-pre4 kernel
sources?  All patches apply cleanly, but all available methods to use my
own DSDT fail compilation.

I have tried the diff for osl.c from the wikiwiki site as well as 2 or 3
other recommendations, to no avail.  Is there somewhere simple I can
just put the .hex file?

Thanks,

Greg Oliver


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Re: ACPI-20030228 and custom dsdt

[Darren Benham]

No... You apply the diff to osl.c that expects an external variable called
AmlCode.
You then have to rename the dsdt.hex into something that will compile.  I
think 2.4 make will pick up the file but with 2.5 you have to modify the
make file.
Alternatively, you can add #include "dsdt.hex" to the osl.c file...

Greg Oliver said:
> What is the secret for incorporating this into the 2.4.21-pre4 kernel
> sources?  All patches apply cleanly, but all available methods to use
> my own DSDT fail compilation.
>
> I have tried the diff for osl.c from the wikiwiki site as well as 2 or
> 3 other recommendations, to no avail.  Is there somewhere simple I can
> just put the .hex file?
>
> Thanks,
>
> Greg Oliver
>
>
> -------------------------------------------------------
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-- 
Darren




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Re: ACPI-20030228 and custom dsdt

[Ducrot Bruno]

On Mon, Mar 03, 2003 at 07:35:53PM -0800, Darren Benham wrote:
> No... You apply the diff to osl.c that expects an external variable called
> AmlCode.
> You then have to rename the dsdt.hex into something that will compile.  I
> think 2.4 make will pick up the file but with 2.5 you have to modify the
> make file.
> Alternatively, you can add #include "dsdt.hex" to the osl.c file...


http://www.poupinou.org/apci/over.html


-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ACPI-20030228 and custom dsdt

[Nigel Cunningham]

On Tue, 2003-03-04 at 16:10, Greg Oliver wrote:
> What is the secret for incorporating this into the 2.4.21-pre4 kernel
> sources?  All patches apply cleanly, but all available methods to use my
> own DSDT fail compilation.

This still works for me.

Regards,

Nigel

diff -ruN linux-2.4.18/drivers/acpi/dsdt_table.h linux-2.4.18-use-my-dsdt/drivers/acpi/dsdt_table.h
--- linux-2.4.18/drivers/acpi/dsdt_table.h	Thu Jan  1 12:00:00 1970
+++ linux-2.4.18-use-my-dsdt/drivers/acpi/dsdt_table.h	Thu Aug 29 22:15:49 2002
@@ -0,0 +1,2526 @@
+/*
+ * 
+ * Intel ACPI Component Architecture ASL Compiler X2046 [Jun 11 2002]
+ * Includes ACPI CA Subsystem version 20020611
+ * Copyright (C) 2000 - 2002 Intel Corporation
+ * Supports ACPI Specification Revision 2.0a
+ * 
+ * Compilation of "nigel.v3.asl" - Thu Jun 27 07:37:12 2002
+ * 
+ * C source code output
+ *
+ */
+unsigned char AmlCode[] = 
+{
+    0x44,0x53,0x44,0x54,0x73,0x4E,0x00,0x00,  /* 00000000 "DSDTsN.."  */

[deletia]

+    0x53,0x08,0x5F,0x41,0x44,0x52,0x0C,0x03,  /* 00004E68 "S._ADR.."  */
+    0x00,0x1F,0x00,
+};
diff -ruN linux-2.4.18/drivers/acpi/dsdt.h linux-2.4.18-use-my-dsdt/drivers/acpi/dsdt.h
--- linux-2.4.18/drivers/acpi/osl.c-dist	Mon Aug 12 11:40:31 2002
+++ linux-2.4.18/drivers/acpi/osl.c	Tue Aug 13 12:02:23 2002
@@ -25,6 +25,7 @@
  *
  */
 
+#include "dsdt_table.h"
 #include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
@@ -208,7 +209,8 @@
 	if (!existing_table || !new_table)
 		return AE_BAD_PARAMETER;
 
-	*new_table = NULL;
+	*new_table = (strncmp(existing_table->signature, DSDT_SIG, 4)) ? NULL \
+			: (struct acpi_table_header *) AmlCode;
 	return AE_OK;
 }
 





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