authorgravatar for andrea@orru.ioAndrea Orru <andrea@orru.io> 2018-03-15 04:28:05-07:00
committergravatar for andrea@orru.ioAndrea Orru <andrea@orru.io> 2018-03-15 04:28:45-07:00
log681c62941e9219b475c2e441e360c0c72cd6ccdc
tree1e0c56a8337fafc73bbb0beca5d704bce6a4ed8a
parent9b7e4b535c87c32d81fab88b92c967b04188212f

subscribeIRQ support

1 files changed, 20 insertions(+), 10 deletions(-)

std/os/zen.zig+20-10
......@@ -38,13 +38,15 @@ pub const Service = struct {
3838//// Syscall numbers ////
3939///////////////////////////
4040
41pub const Syscall = enum {
41pub const Syscall = enum(usize) {
4242 exit = 0,
4343 createPort = 1,
4444 send = 2,
4545 receive = 3,
46 map = 4,
47 createThread = 5,
46 subscribeIRQ = 4,
47 inb = 5,
48 map = 6,
49 createThread = 7,
4850};
4951
5052
......@@ -69,6 +71,14 @@ pub fn receive(destination: &Message) void {
6971 _ = syscall1(Syscall.receive, @ptrToInt(destination));
7072}
7173
74pub fn subscribeIRQ(irq: u8, mailbox_id: &const MailboxId) void {
75 _ = syscall2(Syscall.subscribeIRQ, irq, @ptrToInt(mailbox_id));
76}
77
78pub fn inb(port: u16) u8 {
79 return u8(syscall1(Syscall.inb, port));
80}
81
7282pub fn map(v_addr: usize, p_addr: usize, size: usize, writable: bool) bool {
7383 return syscall4(Syscall.map, v_addr, p_addr, size, usize(writable)) != 0;
7484}
......@@ -82,20 +92,20 @@ pub fn createThread(function: fn()void) u16 {
8292//// Syscall stubs ////
8393/////////////////////////
8494
85inline fn syscall0(number: usize) usize {
95inline fn syscall0(number: Syscall) usize {
8696 return asm volatile ("int $0x80"
8797 : [ret] "={eax}" (-> usize)
8898 : [number] "{eax}" (number));
8999}
90100
91inline fn syscall1(number: usize, arg1: usize) usize {
101inline fn syscall1(number: Syscall, arg1: usize) usize {
92102 return asm volatile ("int $0x80"
93103 : [ret] "={eax}" (-> usize)
94104 : [number] "{eax}" (number),
95105 [arg1] "{ecx}" (arg1));
96106}
97107
98inline fn syscall2(number: usize, arg1: usize, arg2: usize) usize {
108inline fn syscall2(number: Syscall, arg1: usize, arg2: usize) usize {
99109 return asm volatile ("int $0x80"
100110 : [ret] "={eax}" (-> usize)
101111 : [number] "{eax}" (number),
......@@ -103,7 +113,7 @@ inline fn syscall2(number: usize, arg1: usize, arg2: usize) usize {
103113 [arg2] "{edx}" (arg2));
104114}
105115
106inline fn syscall3(number: usize, arg1: usize, arg2: usize, arg3: usize) usize {
116inline fn syscall3(number: Syscall, arg1: usize, arg2: usize, arg3: usize) usize {
107117 return asm volatile ("int $0x80"
108118 : [ret] "={eax}" (-> usize)
109119 : [number] "{eax}" (number),
......@@ -112,7 +122,7 @@ inline fn syscall3(number: usize, arg1: usize, arg2: usize, arg3: usize) usize {
112122 [arg3] "{ebx}" (arg3));
113123}
114124
115inline fn syscall4(number: usize, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
125inline fn syscall4(number: Syscall, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize {
116126 return asm volatile ("int $0x80"
117127 : [ret] "={eax}" (-> usize)
118128 : [number] "{eax}" (number),
......@@ -122,7 +132,7 @@ inline fn syscall4(number: usize, arg1: usize, arg2: usize, arg3: usize, arg4: u
122132 [arg4] "{esi}" (arg4));
123133}
124134
125inline fn syscall5(number: usize, arg1: usize, arg2: usize, arg3: usize,
135inline fn syscall5(number: Syscall, arg1: usize, arg2: usize, arg3: usize,
126136 arg4: usize, arg5: usize) usize
127137{
128138 return asm volatile ("int $0x80"
......@@ -135,7 +145,7 @@ inline fn syscall5(number: usize, arg1: usize, arg2: usize, arg3: usize,
135145 [arg5] "{edi}" (arg5));
136146}
137147
138inline fn syscall6(number: usize, arg1: usize, arg2: usize, arg3: usize,
148inline fn syscall6(number: Syscall, arg1: usize, arg2: usize, arg3: usize,
139149 arg4: usize, arg5: usize, arg6: usize) usize
140150{
141151 return asm volatile ("int $0x80"