Build on riscv64

pkg/dav1d/gen.lua

@@ -1,3 +1,4 @@
+local arch = config.target.platform:match('[^-]*')
 cflags{
 	'-Wall', '-Wno-maybe-uninitialized',
 	'-D _XOPEN_SOURCE=700',
@@ -6,7 +7,7 @@ cflags{
 	'-I $srcdir/tools',
 	'-I $outdir',
 	'-I $outdir/include/dav1d',
-	'-I $dir',
+	arch == 'riscv64' and '-I $dir/riscv' or '-I $dir',
 }
 nasmflags{
 	'-i $srcdir/src/',

pkg/dav1d/riscv/config.h

@@ -0,0 +1,17 @@
+#define ARCH_AARCH64 0
+#define ARCH_ARM 0
+#define ARCH_PPC64LE 0
+#define ARCH_X86 0
+#define ARCH_X86_32 0
+#define ARCH_X86_64 0
+#define CONFIG_16BPC 1
+#define CONFIG_8BPC 1
+#define CONFIG_LOG 1
+#define ENDIANNESS_BIG 0
+#define HAVE_ASM 1
+#define HAVE_AVX512ICL 1
+#define HAVE_CLOCK_GETTIME 1
+#define HAVE_DLSYM 1
+#define HAVE_POSIX_MEMALIGN 1
+#define HAVE_UNISTD_H 1
+#define STACK_ALIGNMENT 32

pkg/libffi/gen.lua

@@ -17,7 +17,7 @@ build('sed', '$outdir/include/ffi.h', '$srcdir/include/ffi.h.in', {
 })
 
 pkg.hdrs = {
-	copy('$outdir/include', '$srcdir/src/'..({x86_64='x86', aarch64='aarch64'})[arch], {'ffitarget.h'}),
+	copy('$outdir/include', '$srcdir/src/'..({x86_64='x86', aarch64='aarch64', riscv64='riscv'})[arch], {'ffitarget.h'}),
 	'$outdir/include/ffi.h',
 	install=true,
 }
@@ -31,6 +31,7 @@ lib('libffi.a', [[
 		prep_cif.c types.c raw_api.c java_raw_api.c closures.c
 		@aarch64 aarch64/(ffi.c sysv.S)
 		@x86_64 x86/(ffi64.c unix64.S ffiw64.c win64.S)
+		@riscv64 riscv/(ffi.c sysv.S)
 	)
 ]])
 file('lib/libffi.a', '644', '$outdir/libffi.a')

pkg/linux-headers/gen.lua

@@ -1,6 +1,7 @@
 local arch = ({
 	aarch64='arm64',
 	x86_64='x86',
+	riscv64='riscv',
 })[config.target.platform:match('[^-]*')]
 sub('tools.ninja', function()
 	toolchain(config.host)

pkg/linux-headers/riscv.lua

@@ -0,0 +1,25 @@
+return {
+	-- <cd src/arch/riscv/include/uapi && find * -name '*.h' -exec printf "\t'%s',\n" {} + | LC_COLLATE=C sort
+	'asm/auxvec.h',
+	'asm/bitsperlong.h',
+	'asm/bpf_perf_event.h',
+	'asm/byteorder.h',
+	'asm/elf.h',
+	'asm/hwcap.h',
+	'asm/hwprobe.h',
+	'asm/kvm.h',
+	'asm/perf_regs.h',
+	'asm/ptrace.h',
+	'asm/setup.h',
+	'asm/sigcontext.h',
+	'asm/ucontext.h',
+	'asm/unistd.h',
+	'asm/vendor/mips.h',
+	'asm/vendor/sifive.h',
+	'asm/vendor/thead.h',
+	unistd = {},
+	generic={
+		-- <awk '$1 == "generic-y" {printf "\\t\\t'\'%s\'',\\n", $3}' src/arch/riscv/include/uapi/asm/Kbuild
+		'kvm_para.h',
+	},		
+}

pkg/musl/gen.lua

@@ -116,7 +116,22 @@ for _, lib in ipairs{'libm.a', 'librt.a', 'libpthread.a', 'libcrypt.a', 'libutil
 end
 
 local startfiles = {'$outdir/libc.a'}
-for _, src in ipairs{'crt1.c', 'rcrt1.c', 'Scrt1.c', arch..'/crti.s', arch..'/crtn.s'} do
+
+local crts = (arch == 'riscv64') and {
+	'crt1.c',
+	'rcrt1.c',
+	'Scrt1.c',
+	'crti.c',
+	'crtn.c',
+} or {
+	'crt1.c',
+	'rcrt1.c',
+	'Scrt1.c',
+	arch..'/crti.s',
+	arch..'/crtn.s',
+}
+
+for _, src in ipairs(crts) do
 	local obj = src:gsub('.-(%w*)%.[cs]$', '%1.o')
 	local out = '$outdir/'..obj
 	build('cc', out, {'$srcdir/crt/'..src, '|', '$gendir/deps'}, {cflags='$cflags $cflags_nossp'})

pkg/musl/riscv64.lua

@@ -0,0 +1,39 @@
+return {
+	srcs={
+		-- <cd src && printf "\t\t'%s',\n" src/*/riscv64/*.[csS]
+		'src/fenv/riscv64/fenv-sf.c',
+		'src/fenv/riscv64/fenv.S',
+		'src/ldso/riscv64/dlsym.s',
+		'src/ldso/riscv64/tlsdesc.s',
+		'src/math/riscv64/copysign.c',
+		'src/math/riscv64/copysignf.c',
+		'src/math/riscv64/fabs.c',
+		'src/math/riscv64/fabsf.c',
+		'src/math/riscv64/fma.c',
+		'src/math/riscv64/fmaf.c',
+		'src/math/riscv64/fmax.c',
+		'src/math/riscv64/fmaxf.c',
+		'src/math/riscv64/fmin.c',
+		'src/math/riscv64/fminf.c',
+		'src/math/riscv64/sqrt.c',
+		'src/math/riscv64/sqrtf.c',
+		'src/process/riscv64/vfork.s',
+		'src/setjmp/riscv64/longjmp.S',
+		'src/setjmp/riscv64/setjmp.S',
+		'src/signal/riscv64/restore.s',
+		'src/signal/riscv64/sigsetjmp.s',
+		'src/thread/riscv64/__set_thread_area.s',
+		'src/thread/riscv64/__unmapself.s',
+		'src/thread/riscv64/clone.s',
+		'src/thread/riscv64/syscall_cp.s',
+	},
+	bits={
+		-- <cd src/arch/riscv/bits && printf "\t\t'%s',\n" *.h
+		'fenv.h',
+		'float.h',
+		'setjmp.h',
+		'signal.h',
+		'user.h',
+	},
+}
+