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[pkgsrc/trunk]: pkgsrc/emulators/gxemul Apply my recent fixes that have been ...



details:   https://anonhg.NetBSD.org/pkgsrc/rev/5b87c902cfa5
branches:  trunk
changeset: 457951:5b87c902cfa5
user:      skrll <skrll%pkgsrc.org@localhost>
date:      Sun Sep 05 07:27:13 2021 +0000

description:
Apply my recent fixes that have been upstreamed (and improved):

----
r6572 | debug | 2021-08-29 17:53:05 +0100 (Sun, 29 Aug 2021) | 1 line

The ARM "permanently undefined" instructions now result in an und exception
(patch from Nick Hudson).

----
r6573 | debug | 2021-08-29 18:02:18 +0100 (Sun, 29 Aug 2021) | 1 line

Storing to memory is not allowed until the CPU has initialized completely; this
code was for ARM OpenFirmware, which is not currently in use by any machine.

----
r6576 | debug | 2021-08-30 10:23:38 +0100 (Mon, 30 Aug 2021) | 1 line

Fix for ARM carry flag update for some instructions (patch from Nick Hudson).
Also updating the NetBSD/cats installation instructions to 9.2.

diffstat:

 emulators/gxemul/Makefile                                      |   3 +-
 emulators/gxemul/distinfo                                      |   6 +-
 emulators/gxemul/patches/patch-doc_machine__cats.html          |  48 ++++++++++
 emulators/gxemul/patches/patch-src_cpus_cpu__arm.c             |  28 +++++
 emulators/gxemul/patches/patch-src_cpus_cpu__arm__instr.c      |  14 ++
 emulators/gxemul/patches/patch-src_cpus_cpu__arm__instr__dpi.c |  13 ++
 6 files changed, 110 insertions(+), 2 deletions(-)

diffs (146 lines):

diff -r 99904b5beaed -r 5b87c902cfa5 emulators/gxemul/Makefile
--- a/emulators/gxemul/Makefile Sun Sep 05 06:39:42 2021 +0000
+++ b/emulators/gxemul/Makefile Sun Sep 05 07:27:13 2021 +0000
@@ -1,6 +1,7 @@
-# $NetBSD: Makefile,v 1.73 2021/04/24 07:31:36 fcambus Exp $
+# $NetBSD: Makefile,v 1.74 2021/09/05 07:27:13 skrll Exp $
 
 DISTNAME=      gxemul-0.7.0
+PKGREVISION=   1
 CATEGORIES=    emulators
 MASTER_SITES=  ${MASTER_SITE_SOURCEFORGE:=gxemul/}
 
diff -r 99904b5beaed -r 5b87c902cfa5 emulators/gxemul/distinfo
--- a/emulators/gxemul/distinfo Sun Sep 05 06:39:42 2021 +0000
+++ b/emulators/gxemul/distinfo Sun Sep 05 07:27:13 2021 +0000
@@ -1,6 +1,10 @@
-$NetBSD: distinfo,v 1.65 2021/04/24 07:31:36 fcambus Exp $
+$NetBSD: distinfo,v 1.66 2021/09/05 07:27:13 skrll Exp $
 
 SHA1 (gxemul-0.7.0.tar.gz) = 3a201be34b53bc851842c5a2ded6244e217e7cca
 RMD160 (gxemul-0.7.0.tar.gz) = 590a2ab904c2999552e33da42f1724d44efb9342
 SHA512 (gxemul-0.7.0.tar.gz) = d977342843e903aedd9dcdf6fdab81ceb5ee1552bf3b90deb77eb59b42e5fad3a65f216ce33cf33259372ff9a10af5b1365827de949f0c61fb9859b417972c71
 Size (gxemul-0.7.0.tar.gz) = 5985021 bytes
+SHA1 (patch-doc_machine__cats.html) = 1c67fbfe42fa86427e3ebdc6720b894123eb4672
+SHA1 (patch-src_cpus_cpu__arm.c) = c34c78a13a65b06d8a0011a8bbb27ecaed3f4db9
+SHA1 (patch-src_cpus_cpu__arm__instr.c) = b91c6b4de6f47de28db259dac6146f46d3f81787
+SHA1 (patch-src_cpus_cpu__arm__instr__dpi.c) = 160d870151cd25e5393f57acbf91525b69fa41f3
diff -r 99904b5beaed -r 5b87c902cfa5 emulators/gxemul/patches/patch-doc_machine__cats.html
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/emulators/gxemul/patches/patch-doc_machine__cats.html     Sun Sep 05 07:27:13 2021 +0000
@@ -0,0 +1,48 @@
+$NetBSD: patch-doc_machine__cats.html,v 1.1 2021/09/05 07:27:13 skrll Exp $
+
+--- doc/machine_cats.html.orig 2021-04-22 18:04:13.000000000 +0000
++++ doc/machine_cats.html
+@@ -46,8 +46,8 @@ SUCH DAMAGE.
+ 
+ 
+ <p>The CATS emulation mode is working well enough to run
+-old versions of <a href="#netbsdcatsinstall">NetBSD/cats</a> and
+-<a href="#openbsdcatsinstall">OpenBSD/cats</a>.</p>
++<a href="#netbsdcatsinstall">NetBSD/cats</a> and
++an old version of <a href="#openbsdcatsinstall">OpenBSD/cats</a>.</p>
+ 
+ <p><font color="red"><small><a name="#debiancats">Debian GNU/Linux</a></small></font> could
+ perhaps run in the future.
+@@ -80,14 +80,14 @@ To install NetBSD/cats onto a disk image
+ 
+ </pre>
+   <li>Download the NetBSD/cats ISO image and the generic and install kernels:<pre>
+-      <a href="ftp://ftp.de.netbsd.org/pub/NetBSD/iso/8.1/NetBSD-8.1-cats.iso";>ftp://ftp.de.netbsd.org/pub/NetBSD/iso/8.1/NetBSD-8.1-cats.iso</a>
+-      <a href="ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-8.1/cats/binary/kernel/netbsd-GENERIC.aout.gz";>ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-8.1/cats/binary/kernel/netbsd-GENERIC.aout.gz</a>
+-      <a href="ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-8.1/cats/binary/kernel/netbsd-INSTALL.aout.gz";>ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-8.1/cats/binary/kernel/netbsd-INSTALL.aout.gz</a>
++      <a href="ftp://ftp.de.netbsd.org/pub/NetBSD/iso/9.2/NetBSD-9.2-cats.iso";>ftp://ftp.de.netbsd.org/pub/NetBSD/iso/9.2/NetBSD-9.2-cats.iso</a>
++      <a href="ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-9.2/cats/binary/kernel/netbsd-GENERIC.aout.gz";>ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-9.2/cats/binary/kernel/netbsd-GENERIC.aout.gz</a>
++      <a href="ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-9.2/cats/binary/kernel/netbsd-INSTALL.aout.gz";>ftp://ftp.de.netbsd.org/pub/NetBSD/NetBSD-9.2/cats/binary/kernel/netbsd-INSTALL.aout.gz</a>
+ 
+ </pre>
+   <p>
+   <li>Start the installation like this:<pre>
+-      <b>gxemul -X -E cats -d nbsd_cats.img -d NetBSD-8.1-cats.iso netbsd-INSTALL.aout.gz</b>
++      <b>gxemul -X -E cats -d nbsd_cats.img -d NetBSD-9.2-cats.iso netbsd-INSTALL.aout.gz</b>
+ 
+ </pre>
+       and proceed like you would do if you were installing NetBSD on a real
+@@ -96,11 +96,8 @@ To install NetBSD/cats onto a disk image
+ 
+ <p>Note that there may be some long delays during bootup.
+ 
+-<p>(NOTE: Older versions of NetBSD could install via FTP in older versions
+-of GXemul. Right now, that seems to not be possible, resulting in ethernet
+-timeouts etc. Whether it is due to bit rot in the emulator, or due to NetBSD
+-having changed over time, has not been debugged.
+-If you want to try an FTP install anyway, 
++<p>(NOTE: It may also be possible to install via FTP, but this is slow and
++sometimes unstable. If you want to try an FTP install anyway, 
+ start the install without <tt>-d xxxxx.iso</tt> and use
+ IPv4 address 10.0.0.1, gateway/default route 10.0.0.254, netmask 
+ 255.0.0.0, and nameserver 10.0.0.254, when asked to configure the network.)
diff -r 99904b5beaed -r 5b87c902cfa5 emulators/gxemul/patches/patch-src_cpus_cpu__arm.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/emulators/gxemul/patches/patch-src_cpus_cpu__arm.c        Sun Sep 05 07:27:13 2021 +0000
@@ -0,0 +1,28 @@
+$NetBSD: patch-src_cpus_cpu__arm.c,v 1.1 2021/09/05 07:27:13 skrll Exp $
+
+--- src/cpus/cpu_arm.c.orig    2021-09-05 05:56:14.113306233 +0000
++++ src/cpus/cpu_arm.c
+@@ -158,13 +158,17 @@ int arm_cpu_new(struct cpu *cpu, struct 
+               cpu->cd.arm.coproc[14] = arm_coproc_xscale_14;
+ 
+       /*
+-       *  NOTE/TODO: Ugly hack for OpenFirmware emulation:
++       *  OLD: Ugly hack for OpenFirmware emulation:
++       *
++       *  Move this to the end of corresponding machine initialization
++       *  code.
++       *
++       *      if (cpu->machine->prom_emulation) {
++       *              cpu->cd.arm.of_emul_addr = cpu->machine->physical_ram_in_mb
++       *                  * 1048576 - 8;
++       *              store_32bit_word(cpu, cpu->cd.arm.of_emul_addr, 0xef8c64be);
++       *      }
+        */
+-      if (cpu->machine->prom_emulation) {
+-              cpu->cd.arm.of_emul_addr = cpu->machine->physical_ram_in_mb
+-                  * 1048576 - 8;
+-              store_32bit_word(cpu, cpu->cd.arm.of_emul_addr, 0xef8c64be);
+-      }
+ 
+       cpu->cd.arm.flags = cpu->cd.arm.cpsr >> 28;
+ 
diff -r 99904b5beaed -r 5b87c902cfa5 emulators/gxemul/patches/patch-src_cpus_cpu__arm__instr.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/emulators/gxemul/patches/patch-src_cpus_cpu__arm__instr.c Sun Sep 05 07:27:13 2021 +0000
@@ -0,0 +1,14 @@
+$NetBSD: patch-src_cpus_cpu__arm__instr.c,v 1.1 2021/09/05 07:27:13 skrll Exp $
+
+--- src/cpus/cpu_arm_instr.c.orig      2021-04-22 18:04:18.000000000 +0000
++++ src/cpus/cpu_arm_instr.c
+@@ -3534,6 +3534,9 @@ X(to_be_translated)
+                               int lsb = (iword >> 7) & 31;
+                               int width = 1 + ((iword >> 16) & 31);
+                               ic->arg[2] = (width << 16) + lsb;
++                      } else if ((iword & 0x07f000f0) == 0x07f000f0) {
++                              ic->f = cond_instr(und);
++                              ic->arg[0] = addr & 0xfff;
+                       } else {
+                               if (!cpu->translation_readahead)
+                                       fatal("unimplemented special non-loadstore encoding!\n");
diff -r 99904b5beaed -r 5b87c902cfa5 emulators/gxemul/patches/patch-src_cpus_cpu__arm__instr__dpi.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/emulators/gxemul/patches/patch-src_cpus_cpu__arm__instr__dpi.c    Sun Sep 05 07:27:13 2021 +0000
@@ -0,0 +1,13 @@
+$NetBSD: patch-src_cpus_cpu__arm__instr__dpi.c,v 1.1 2021/09/05 07:27:13 skrll Exp $
+
+--- src/cpus/cpu_arm_instr_dpi.c.orig  2021-04-22 18:04:18.000000000 +0000
++++ src/cpus/cpu_arm_instr_dpi.c
+@@ -255,7 +255,7 @@ void A__NAME(struct cpu *cpu, struct arm
+ 
+ #if defined(A__CMP) || defined(A__RSB) || defined(A__SUB) || \
+     defined(A__RSC) || defined(A__SBC)
+-      if ((uint32_t)a >= (uint32_t)b)
++      if (c32 == c64)
+               cpu->cd.arm.flags |= ARM_F_C;
+ #else
+ #if defined(A__ADC) || defined(A__ADD) || defined(A__CMN)



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