Re: GCC 7 problems

●To: coypu%sdf.org@localhost ●Subject: Re: GCC 7 problems ●From: Stephen Borrill <netbsd%precedence.co.uk@localhost> ●Date: Thu, 28 Mar 2019 17:26:05 +0000 (GMT)

On Thu, 28 Mar 2019, coypu%sdf.org@localhost wrote:

Hi folks,

in our copy of GCC, it looks like the ARMv3 stuff is not yet removed.
I'm not sure maintaining just-before-ARMv4 is that hard, assuming ARMv4
stays.

Does this diff help?

Index: config.gcc
===================================================================
RCS file: /cvsroot/src/external/gpl3/gcc/dist/gcc/config.gcc,v
retrieving revision 1.52
diff -u -r1.52 config.gcc
--- config.gcc 19 Mar 2019 23:55:28 -0000 1.52
+++ config.gcc 28 Mar 2019 11:23:16 -0000
@@ -1145,7 +1145,7 @@
     ;;
 esac
 case ${target} in
- armv4*) with_cpu=${with_cpu:-strongarm};;
+ armv4*) with_cpu=${with_cpu:-arm6};;
 armv6*) with_cpu=${with_cpu:-arm1176jzf-s};;
 armv7*) with_cpu=${with_cpu:-cortex-a8};;
 arm*) with_cpu=${with_cpu:-arm9e};;


I get this when compiling:
/usr/src/current/sys/arch/arm/arm/bcopyinout.S:717: Error: selected processor does not support `ldrh r3,[r0]' in ARM mode
/usr/src/current/sys/arch/arm/arm/bcopyinout.S:721: Error: selected processor does not support `strh r3,[r1]' in ARM mode

I also tried with -a arm, but that kernel panicked soon after doing podule enumeration.


--
Stephen

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