Remove -mabi=elfv2 option. This is the default for OpenBSD and clang 16
generates a (spurious) error about it in certain contexts. This is fixed
in later versions (see https://reviews.llvm.org/D156

Remove -mabi=elfv2 option. This is the default for OpenBSD and clang 16
generates a (spurious) error about it in certain contexts. This is fixed
in later versions (see https://reviews.llvm.org/D156351) but it is easier
to just drop the option.

ok miod@, jsg@

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revert disabling warnings for zlib on clang >= 15
no longer needed with zlib 1.3
ok tb@

update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU

update drm to linux 6.1.2

new hardware support includes

AMD
Raphael, Ryzen 7000 desktop, gfx1036/GC 10.3.6
Mendocino, Ryzen & Athlon 7020 Series mobile APU, gfx1037/GC 10.3.7
Navi 31, gfx1100 dGPU, GC 11.0.0, Radeon RX 7900 XT/XTX
gfx1101 dGPU
gfx1102 dGPU
gfx1103 APU

Thanks to the OpenBSD Foundation for sponsoring this work.

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Neuter zlib fatal warnings when building kernels and bootloaders with clang 15

Disable -Wdeprecated-non-prototype instead of patching zlib. Upstream
plans to drop the pre-ANSI syntax soon. ok tb@

Neuter zlib fatal warnings when building kernels and bootloaders with clang 15

Disable -Wdeprecated-non-prototype instead of patching zlib. Upstream
plans to drop the pre-ANSI syntax soon. ok tb@ millert@

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update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt AP

update drm to linux 5.15.14

new hardware support includes

Intel
ehl/Elkhart Lake (embedded)
jsl/Jasper Lake (atom)
rkl/Rocket Lake (desktop)

AMD
van gogh APU (gfx1033)
yellow carp / rembrandt APU (gfx1035?)
Ryzen 6000 APU
navy flounder / navi 22 (gfx1031)
RX 6700, RX 6700 XT, RX 6700M, RX 6800M, RX 6850M XT
dimgrey cavefish / navi 23 (gfx1032)
Pro W6600, Pro W6600M, RX 6600, RX 6600 XT, RX 6600M,
RX 6600S, RX 6650M, RX 6650M XT, RX 6700S, RX 6800S
beige goby / navi 24 (gfx1034)
RX 6500 XT, RX 6400, RX 6500M, RX 6300M

Thanks to the OpenBSD Foundation for sponsoring this work
niklas@ for helping with ttm and amdgpu and patrick@ for adapting
rockchip drm.

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Disable a few warning flags that were introduced and enabled by default
with LLVM 13.

stop building kernels with -Wno-uninitialized on clang archs
this hides real problems that could be found at build time

ok kettenis@ visa@, ok sashan@ on amd64/i386

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green

update drm to linux 5.10.47

hardware support changes include
inteldrm: better support for tiger lake
amdgpu: support for navi12, navi21 "sienna_cichlid", arcturus
amdgpu: support for cezanne "green sardine" ryzen 5000 apu

Thanks to the OpenBSD Foundation for sponsoring this work,
patrick@ for helping adapt rockchip drm, kettenis@ and mpi@
for uvm discussions and various testers.

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Again allow COPTS= to come from the environment again, and don't lose the
SMALL_KERNEL specific variations.
ok espie jsg

improve accuracy of kexec_subr.o dependency

kexec_subr.S will need assym.h built beforehands

We're self-hosted now.

Add missing dependeny.

update powerpc64 include paths for 5.7 drm

ok kettenis@

Add -msoft-float, -mno-altivec and -mno-vsx to the compiler flags.

Enter ddb at a trap instruction or with db_enter().

Tell make that trap_subr.S needs assym.h.
Fill in opal_cngetc() so I can type at the "ddb>" prompt.
Add enough code to trap_subr.S to "c" continue

Enter ddb at a trap instruction or with db_enter().

Tell make that trap_subr.S needs assym.h.
Fill in opal_cngetc() so I can type at the "ddb>" prompt.
Add enough code to trap_subr.S to "c" continue from ddb.
Give registers to ddb.
Try to load symbols from initrd.

ok kettenis@

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Planting the first seed for OpenBSD/powerpc64.