authorgravatar for stefan@s00.xyzStefan Weigl-Bosker <stefan@s00.xyz> 2025-03-26 17:54:29-04:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-04-07 13:36:45+02:00
log6fd358d287ee90de80769bd16b4321039acb570e
tree00a89334df2deeb99115fa970d276583e325878f
parent4b5941c54bac33391dc3d2f574ec876086998154
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

std.os.linux: add arch bits for m68k

fixup

2 files changed, 306 insertions(+), 9 deletions(-)

lib/std/os/linux.zig+31-9
...@@ -39,6 +39,7 @@ const arch_bits = switch (native_arch) {...@@ -39,6 +39,7 @@ const arch_bits = switch (native_arch) {
39 .riscv64 => @import("linux/riscv64.zig"),39 .riscv64 => @import("linux/riscv64.zig"),
40 .sparc64 => @import("linux/sparc64.zig"),40 .sparc64 => @import("linux/sparc64.zig"),
41 .loongarch64 => @import("linux/loongarch64.zig"),41 .loongarch64 => @import("linux/loongarch64.zig"),
42 .m68k => @import("linux/m68k.zig"),
42 .mips, .mipsel => @import("linux/mips.zig"),43 .mips, .mipsel => @import("linux/mips.zig"),
43 .mips64, .mips64el => @import("linux/mips64.zig"),44 .mips64, .mips64el => @import("linux/mips64.zig"),
44 .powerpc, .powerpcle => @import("linux/powerpc.zig"),45 .powerpc, .powerpcle => @import("linux/powerpc.zig"),
...@@ -279,7 +280,7 @@ pub const MAP = switch (native_arch) {...@@ -279,7 +280,7 @@ pub const MAP = switch (native_arch) {
279 UNINITIALIZED: bool = false,280 UNINITIALIZED: bool = false,
280 _: u5 = 0,281 _: u5 = 0,
281 },282 },
282 .hexagon, .s390x => packed struct(u32) {283 .hexagon, .m68k, .s390x => packed struct(u32) {
283 TYPE: MAP_TYPE,284 TYPE: MAP_TYPE,
284 FIXED: bool = false,285 FIXED: bool = false,
285 ANONYMOUS: bool = false,286 ANONYMOUS: bool = false,
...@@ -333,7 +334,7 @@ pub const O = switch (native_arch) {...@@ -333,7 +334,7 @@ pub const O = switch (native_arch) {
333 SYNC: bool = false,334 SYNC: bool = false,
334 PATH: bool = false,335 PATH: bool = false,
335 TMPFILE: bool = false,336 TMPFILE: bool = false,
336 _: u9 = 0,337 _23: u9 = 0,
337 },338 },
338 .x86, .riscv32, .riscv64, .loongarch64 => packed struct(u32) {339 .x86, .riscv32, .riscv64, .loongarch64 => packed struct(u32) {
339 ACCMODE: ACCMODE = .RDONLY,340 ACCMODE: ACCMODE = .RDONLY,
...@@ -355,7 +356,7 @@ pub const O = switch (native_arch) {...@@ -355,7 +356,7 @@ pub const O = switch (native_arch) {
355 SYNC: bool = false,356 SYNC: bool = false,
356 PATH: bool = false,357 PATH: bool = false,
357 TMPFILE: bool = false,358 TMPFILE: bool = false,
358 _: u9 = 0,359 _23: u9 = 0,
359 },360 },
360 .aarch64, .aarch64_be, .arm, .armeb, .thumb, .thumbeb => packed struct(u32) {361 .aarch64, .aarch64_be, .arm, .armeb, .thumb, .thumbeb => packed struct(u32) {
361 ACCMODE: ACCMODE = .RDONLY,362 ACCMODE: ACCMODE = .RDONLY,
...@@ -377,7 +378,7 @@ pub const O = switch (native_arch) {...@@ -377,7 +378,7 @@ pub const O = switch (native_arch) {
377 SYNC: bool = false,378 SYNC: bool = false,
378 PATH: bool = false,379 PATH: bool = false,
379 TMPFILE: bool = false,380 TMPFILE: bool = false,
380 _: u9 = 0,381 _23: u9 = 0,
381 },382 },
382 .sparc64 => packed struct(u32) {383 .sparc64 => packed struct(u32) {
383 ACCMODE: ACCMODE = .RDONLY,384 ACCMODE: ACCMODE = .RDONLY,
...@@ -402,7 +403,7 @@ pub const O = switch (native_arch) {...@@ -402,7 +403,7 @@ pub const O = switch (native_arch) {
402 SYNC: bool = false,403 SYNC: bool = false,
403 PATH: bool = false,404 PATH: bool = false,
404 TMPFILE: bool = false,405 TMPFILE: bool = false,
405 _: u6 = 0,406 _27: u6 = 0,
406 },407 },
407 .mips, .mipsel, .mips64, .mips64el => packed struct(u32) {408 .mips, .mipsel, .mips64, .mips64el => packed struct(u32) {
408 ACCMODE: ACCMODE = .RDONLY,409 ACCMODE: ACCMODE = .RDONLY,
...@@ -426,7 +427,7 @@ pub const O = switch (native_arch) {...@@ -426,7 +427,7 @@ pub const O = switch (native_arch) {
426 _20: u1 = 0,427 _20: u1 = 0,
427 PATH: bool = false,428 PATH: bool = false,
428 TMPFILE: bool = false,429 TMPFILE: bool = false,
429 _: u9 = 0,430 _23: u9 = 0,
430 },431 },
431 .powerpc, .powerpcle, .powerpc64, .powerpc64le => packed struct(u32) {432 .powerpc, .powerpcle, .powerpc64, .powerpc64le => packed struct(u32) {
432 ACCMODE: ACCMODE = .RDONLY,433 ACCMODE: ACCMODE = .RDONLY,
...@@ -448,7 +449,7 @@ pub const O = switch (native_arch) {...@@ -448,7 +449,7 @@ pub const O = switch (native_arch) {
448 SYNC: bool = false,449 SYNC: bool = false,
449 PATH: bool = false,450 PATH: bool = false,
450 TMPFILE: bool = false,451 TMPFILE: bool = false,
451 _: u9 = 0,452 _23: u9 = 0,
452 },453 },
453 .hexagon, .s390x => packed struct(u32) {454 .hexagon, .s390x => packed struct(u32) {
454 ACCMODE: ACCMODE = .RDONLY,455 ACCMODE: ACCMODE = .RDONLY,
...@@ -467,15 +468,36 @@ pub const O = switch (native_arch) {...@@ -467,15 +468,36 @@ pub const O = switch (native_arch) {
467 NOFOLLOW: bool = false,468 NOFOLLOW: bool = false,
468 NOATIME: bool = false,469 NOATIME: bool = false,
469 CLOEXEC: bool = false,470 CLOEXEC: bool = false,
470 _17: u1 = 0,471 _20: u1 = 0,
471 PATH: bool = false,472 PATH: bool = false,
472 _: u10 = 0,473 _22: u10 = 0,
473474
474 // #define O_RSYNC 04010000475 // #define O_RSYNC 04010000
475 // #define O_SYNC 04010000476 // #define O_SYNC 04010000
476 // #define O_TMPFILE 020200000477 // #define O_TMPFILE 020200000
477 // #define O_NDELAY O_NONBLOCK478 // #define O_NDELAY O_NONBLOCK
478 },479 },
480 .m68k => packed struct(u32) {
481 ACCMODE: ACCMODE = .RDONLY,
482 _2: u4 = 0,
483 CREAT: bool = false,
484 EXCL: bool = false,
485 NOCTTY: bool = false,
486 TRUNC: bool = false,
487 APPEND: bool = false,
488 NONBLOCK: bool = false,
489 DSYNC: bool = false,
490 ASYNC: bool = false,
491 DIRECTORY: bool = false,
492 NOFOLLOW: bool = false,
493 DIRECT: bool = false,
494 LARGEFILE: bool = false,
495 NOATIME: bool = false,
496 CLOEXEC: bool = false,
497 _20: u1 = 0,
498 PATH: bool = false,
499 _22: u10 = 0,
500 },
479 else => @compileError("missing std.os.linux.O constants for this architecture"),501 else => @compileError("missing std.os.linux.O constants for this architecture"),
480};502};
481503
lib/std/os/linux/m68k.zig created+275
...@@ -0,0 +1,275 @@
1const builtin = @import("builtin");
2const std = @import("../../std.zig");
3const iovec = std.posix.iovec;
4const iovec_const = std.posix.iovec_const;
5const linux = std.os.linux;
6const SYS = linux.SYS;
7const uid_t = std.os.linux.uid_t;
8const gid_t = std.os.linux.uid_t;
9const pid_t = std.os.linux.pid_t;
10const sockaddr = linux.sockaddr;
11const socklen_t = linux.socklen_t;
12const timespec = std.os.linux.timespec;
13
14pub fn syscall0(number: SYS) usize {
15 return asm volatile ("trap #0"
16 : [ret] "={d0}" (-> usize),
17 : [number] "{d0}" (@intFromEnum(number)),
18 : "memory"
19 );
20}
21
22pub fn syscall1(number: SYS, arg1: usize) usize {
23 return asm volatile ("trap #0"
24 : [ret] "={d0}" (-> usize),
25 : [number] "{d0}" (@intFromEnum(number)),
26 [arg1] "{d1}" (arg1),
27 : "memory"
28 );
29}
30
31pub fn syscall2(number: SYS, arg1: usize, arg2: usize) usize {
32 return asm volatile ("trap #0"
33 : [ret] "={d0}" (-> usize),
34 : [number] "{d0}" (@intFromEnum(number)),
35 [arg1] "{d1}" (arg1),
36 [arg2] "{d2}" (arg2),
37 : "memory"
38 );
39}
40
41pub fn syscall3(number: SYS, arg1: usize, arg2: usize, arg3: usize) usize {
42 return asm volatile ("trap #0"
43 : [ret] "={d0}" (-> usize),
44 : [number] "{d0}" (@intFromEnum(number)),
45 [arg1] "{d1}" (arg1),
46 [arg2] "{d2}" (arg2),
47 [arg3] "{d3}" (arg3),
48 : "memory"
49 );
50}
51
52pub fn syscall4(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
53 return asm volatile ("trap #0"
54 : [ret] "={d0}" (-> usize),
55 : [number] "{d0}" (@intFromEnum(number)),
56 [arg1] "{d1}" (arg1),
57 [arg2] "{d2}" (arg2),
58 [arg3] "{d3}" (arg3),
59 [arg4] "{d4}" (arg4),
60 : "memory"
61 );
62}
63
64pub fn syscall5(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize) usize {
65 return asm volatile ("trap #0"
66 : [ret] "={d0}" (-> usize),
67 : [number] "{d0}" (@intFromEnum(number)),
68 [arg1] "{d1}" (arg1),
69 [arg2] "{d2}" (arg2),
70 [arg3] "{d3}" (arg3),
71 [arg4] "{d4}" (arg4),
72 [arg5] "{d5}" (arg5),
73 : "memory"
74 );
75}
76
77pub fn syscall6(
78 number: SYS,
79 arg1: usize,
80 arg2: usize,
81 arg3: usize,
82 arg4: usize,
83 arg5: usize,
84 arg6: usize,
85) usize {
86 return asm volatile ("trap #0"
87 : [ret] "={d0}" (-> usize),
88 : [number] "{d0}" (@intFromEnum(number)),
89 [arg1] "{d1}" (arg1),
90 [arg2] "{d2}" (arg2),
91 [arg3] "{d3}" (arg3),
92 [arg4] "{d4}" (arg4),
93 [arg5] "{d5}" (arg5),
94 [arg6] "{a0}" (arg6),
95 : "memory"
96 );
97}
98
99pub fn clone() callconv(.naked) usize {
100 // __clone(func, stack, flags, arg, ptid, tls, ctid)
101 // +4, +8, +12, +16, +20, +24, +28
102 //
103 // syscall(SYS_clone, flags, stack, ptid, ctid, tls)
104 // d0, d1, d2, d3, d4, d5
105 asm volatile (
106 \\ // Save callee-saved registers.
107 \\ movem.l %%d2-%%d5, -(%%sp) // sp -= 16
108 \\
109 \\ // Save func and arg.
110 \\ move.l 16+4(%%sp), %%a0
111 \\ move.l 16+16(%%sp), %%a1
112 \\
113 \\ // d0 = syscall(d0, d1, d2, d3, d4, d5)
114 \\ move.l #120, %%d0 // SYS_clone
115 \\ move.l 16+12(%%sp), %%d1
116 \\ move.l 16+8(%%sp), %%d2
117 \\ move.l 16+20(%%sp), %%d3
118 \\ move.l 16+28(%%sp), %%d4
119 \\ move.l 16+24(%%sp), %%d5
120 \\ and.l #-4, %%d2 // Align the child stack pointer.
121 \\ trap #0
122 \\
123 \\ // Are we in the parent or child?
124 \\ tst.l %%d0
125 \\ beq 1f
126 \\ // Parent:
127 \\
128 \\ // Restore callee-saved registers and return.
129 \\ movem.l (%%sp)+, %%d2-%%d5 // sp += 16
130 \\ rts
131 \\
132 \\ // Child:
133 \\1:
134 );
135 if (builtin.unwind_tables != .none or !builtin.strip_debug_info) asm volatile (
136 \\ .cfi_undefined %%pc
137 );
138 asm volatile (
139 \\ suba.l %%fp, %%fp
140 \\
141 \\ // d0 = func(a1)
142 \\ move.l %%a1, -(%%sp)
143 \\ jsr (%%a0)
144 \\
145 \\ // syscall(d0, d1)
146 \\ move.l %%d0, %%d1
147 \\ move.l #1, %%d0 // SYS_exit
148 \\ trap #0
149 );
150}
151
152pub const restore = restore_rt;
153
154pub fn restore_rt() callconv(.naked) noreturn {
155 asm volatile ("trap #0"
156 :
157 : [number] "{d0}" (@intFromEnum(SYS.rt_sigreturn)),
158 : "memory"
159 );
160}
161
162pub const F = struct {
163 pub const DUPFD = 0;
164 pub const GETFD = 1;
165 pub const SETFD = 2;
166 pub const GETFL = 3;
167 pub const SETFL = 4;
168
169 pub const SETOWN = 8;
170 pub const GETOWN = 9;
171 pub const SETSIG = 10;
172 pub const GETSIG = 11;
173
174 pub const GETLK = 12;
175 pub const SETLK = 13;
176 pub const SETLKW = 14;
177
178 pub const SETOWN_EX = 15;
179 pub const GETOWN_EX = 16;
180
181 pub const GETOWNER_UIDS = 17;
182
183 pub const RDLCK = 0;
184 pub const WRLCK = 1;
185 pub const UNLCK = 2;
186};
187
188pub const blksize_t = i32;
189pub const nlink_t = u32;
190pub const time_t = i32;
191pub const mode_t = u32;
192pub const off_t = i64;
193pub const ino_t = u64;
194pub const dev_t = u64;
195pub const blkcnt_t = i64;
196
197pub const timeval = extern struct {
198 sec: time_t,
199 usec: i32,
200};
201
202pub const Flock = extern struct {
203 type: i16,
204 whence: i16,
205 start: off_t,
206 len: off_t,
207 pid: pid_t,
208};
209
210// TODO: not 100% sure of padding for msghdr
211pub const msghdr = extern struct {
212 name: ?*sockaddr,
213 namelen: socklen_t,
214 iov: [*]iovec,
215 iovlen: i32,
216 control: ?*anyopaque,
217 controllen: socklen_t,
218 flags: i32,
219};
220
221pub const msghdr_const = extern struct {
222 name: ?*const sockaddr,
223 namelen: socklen_t,
224 iov: [*]const iovec_const,
225 iovlen: i32,
226 control: ?*const anyopaque,
227 controllen: socklen_t,
228 flags: i32,
229};
230
231pub const Stat = extern struct {
232 dev: dev_t,
233 __pad: i16,
234 __ino_truncated: i32,
235 mode: mode_t,
236 nlink: nlink_t,
237 uid: uid_t,
238 gid: gid_t,
239 rdev: dev_t,
240 __pad2: i16,
241 size: off_t,
242 blksize: blksize_t,
243 blocks: blkcnt_t,
244 atim: timespec,
245 mtim: timespec,
246 ctim: timespec,
247 ino: ino_t,
248
249 pub fn atime(self: @This()) timespec {
250 return self.atim;
251 }
252
253 pub fn mtime(self: @This()) timespec {
254 return self.mtim;
255 }
256
257 pub fn ctime(self: @This()) timespec {
258 return self.ctim;
259 }
260};
261
262pub const Elf_Symndx = u32;
263
264// m68k has multiple minimum page sizes.
265// glibc sets MMAP2_PAGE_UNIT to -1 so it is queried at runtime.
266pub const MMAP2_UNIT = -1;
267
268// No VDSO used as of glibc 112a0ae18b831bf31f44d81b82666980312511d6.
269pub const VDSO = void;
270
271/// TODO
272pub const ucontext_t = void;
273
274/// TODO
275pub const getcontext = {};