Build on riscv64

pkg/dav1d/config.h

@@ -10,8 +10,10 @@
 #define CONFIG_8BPC 1
 #define CONFIG_LOG 1
 #define ENDIANNESS_BIG 0
+#if defined(__x86_64__) && !defined(__ILP32__)
 #define HAVE_ASM 1
 #define HAVE_AVX512ICL 1
+#endif
 #define HAVE_CLOCK_GETTIME 1
 #define HAVE_DLSYM 1
 #define HAVE_POSIX_MEMALIGN 1

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 +1,34 @@
+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 = {
+		-- arch/riscv/kernel/Makefile.syscalls
+		{
+			dst='unistd_32.h',
+			src='scripts/syscall.tbl',
+			abi='common|32|riscv|memfd_secret',
+		},
+		{
+			dst='unistd_64.h',
+			src='scripts/syscall.tbl',
+			abi='common|64|riscv|rlimit|memfd_secret',
+		},
+	},
+	generic={},		
+}

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/riscv64/bits && printf "\t\t'%s',\n" *.h
+		'fenv.h',
+		'float.h',
+		'setjmp.h',
+		'signal.h',
+		'user.h',
+	},
+}
+

pkg/pcre/config.h

@@ -64,16 +64,20 @@
 /* #undef PTHREAD_CREATE_JOINABLE */
 #define STDC_HEADERS 1
 #ifdef __GNUC__
+#if defined(__x86_64__) || defined(__aarch64__)
 #define SUPPORT_JIT /**/
 #endif
+#endif
 /* #undef SUPPORT_LIBBZ2 */
 /* #undef SUPPORT_LIBEDIT */
 /* #undef SUPPORT_LIBREADLINE */
 /* #undef SUPPORT_LIBZ */
 /* #undef SUPPORT_PCRE16 */
 /* #undef SUPPORT_PCRE32 */
 #define SUPPORT_PCRE8 /**/
+#if defined(__x86_64__) || defined(__aarch64__)
 #define SUPPORT_PCREGREP_JIT /**/
+#endif
 #define SUPPORT_UCP /**/
 #define SUPPORT_UTF /**/
 /* #undef SUPPORT_VALGRIND */

pkg/strace/gen.lua

@@ -1,4 +1,8 @@
 local targets = {
+	riscv64={
+		cflags={'-D RISCV64=1'},
+		ioctls=0,
+	},
 	aarch64={
 		cflags={'-D AARCH64=1'},
 		ioctls=1,
@@ -75,7 +79,7 @@ makempers('printers.h', 'printers.awk')
 makempers('native_printer_decls.h', 'printerdecls.awk')
 makempers('native_printer_defs.h', 'printerdefs.awk')
 
-build('cpp', '$outdir/syscallent.i', '$srcdir/src/linux/x86_64/syscallent.h')
+build('cpp', '$outdir/syscallent.i', '$srcdir/src/linux/'..arch..'/syscallent.h')
 build('awk', '$outdir/scno-syscallent.h', {'$outdir/syscallent.i', '|', '$dir/scno.awk'}, {
 	expr='-f $dir/scno.awk',
 })
@@ -92,6 +96,7 @@ local syscalls = expand{'$srcdir/src/linux/', {
 	'generic/subcallent.h',
 	'generic/syscallent-common.h',
 	'x86_64/syscallent.h',
+	'riscv64/syscallent.h',
 }}
 build('awk', '$outdir/sen.h', {syscalls, '|', '$dir/sen.awk'}, {
 	expr='-f $dir/sen.awk',