This GCC patch is from the ath9k-htc-firmware repository (version 1.3.2). Not applying it (apparently) leads to miscompiled firmware, and loading it fails with a "Target is unresponsive" message from the 'ath9k_htc' module. From c7162b8a3db42e7faf47606d3aa3dd61e64aea17 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan <c_manoha@qca.qualcomm.com> Date: Mon, 7 Jan 2013 16:06:28 +0530 Subject: [PATCH] gcc: AR9271/AR7010 config Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> --- include/xtensa-config.h | 36 +++++++++++++++++------------------- 1 file changed, 17 insertions(+), 19 deletions(-) diff --git a/include/xtensa-config.h b/include/xtensa-config.h index 30f4f41..fe9b051 100644 --- a/include/xtensa-config.h +++ b/include/xtensa-config.h @@ -1,7 +1,7 @@ /* Xtensa configuration settings. - Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. - Contributed by Bob Wilson (bob.wilson@acm.org) at Tensilica. + Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -44,10 +44,7 @@ #define XCHAL_HAVE_L32R 1 #undef XSHAL_USE_ABSOLUTE_LITERALS -#define XSHAL_USE_ABSOLUTE_LITERALS 0 - -#undef XSHAL_HAVE_TEXT_SECTION_LITERALS -#define XSHAL_HAVE_TEXT_SECTION_LITERALS 1 /* Set if there is some memory that allows both code and literals. */ +#define XSHAL_USE_ABSOLUTE_LITERALS 1 #undef XCHAL_HAVE_MAC16 #define XCHAL_HAVE_MAC16 0 @@ -59,10 +56,10 @@ #define XCHAL_HAVE_MUL32 1 #undef XCHAL_HAVE_MUL32_HIGH -#define XCHAL_HAVE_MUL32_HIGH 0 +#define XCHAL_HAVE_MUL32_HIGH 1 #undef XCHAL_HAVE_DIV32 -#define XCHAL_HAVE_DIV32 1 +#define XCHAL_HAVE_DIV32 0 #undef XCHAL_HAVE_NSA #define XCHAL_HAVE_NSA 1 @@ -103,8 +100,6 @@ #undef XCHAL_HAVE_FP_RSQRT #define XCHAL_HAVE_FP_RSQRT 0 -#undef XCHAL_HAVE_DFP_accel -#define XCHAL_HAVE_DFP_accel 0 #undef XCHAL_HAVE_WINDOWED #define XCHAL_HAVE_WINDOWED 1 @@ -119,32 +114,32 @@ #undef XCHAL_ICACHE_SIZE -#define XCHAL_ICACHE_SIZE 16384 +#define XCHAL_ICACHE_SIZE 0 #undef XCHAL_DCACHE_SIZE -#define XCHAL_DCACHE_SIZE 16384 +#define XCHAL_DCACHE_SIZE 0 #undef XCHAL_ICACHE_LINESIZE -#define XCHAL_ICACHE_LINESIZE 32 +#define XCHAL_ICACHE_LINESIZE 16 #undef XCHAL_DCACHE_LINESIZE -#define XCHAL_DCACHE_LINESIZE 32 +#define XCHAL_DCACHE_LINESIZE 16 #undef XCHAL_ICACHE_LINEWIDTH -#define XCHAL_ICACHE_LINEWIDTH 5 +#define XCHAL_ICACHE_LINEWIDTH 4 #undef XCHAL_DCACHE_LINEWIDTH -#define XCHAL_DCACHE_LINEWIDTH 5 +#define XCHAL_DCACHE_LINEWIDTH 4 #undef XCHAL_DCACHE_IS_WRITEBACK -#define XCHAL_DCACHE_IS_WRITEBACK 1 +#define XCHAL_DCACHE_IS_WRITEBACK 0 #undef XCHAL_HAVE_MMU #define XCHAL_HAVE_MMU 1 #undef XCHAL_MMU_MIN_PTE_PAGE_SIZE -#define XCHAL_MMU_MIN_PTE_PAGE_SIZE 12 +#define XCHAL_MMU_MIN_PTE_PAGE_SIZE 29 #undef XCHAL_HAVE_DEBUG @@ -157,8 +152,11 @@ #define XCHAL_NUM_DBREAK 2 #undef XCHAL_DEBUGLEVEL -#define XCHAL_DEBUGLEVEL 6 +#define XCHAL_DEBUGLEVEL 4 + +#undef XCHAL_EXCM_LEVEL +#define XCHAL_EXCM_LEVEL 3 #undef XCHAL_MAX_INSTRUCTION_SIZE #define XCHAL_MAX_INSTRUCTION_SIZE 3 -- 1.8.1