commit for arch change

6 files changed, 49 insertions, 3 deletions

diff --git a/system/libraries/format/format.zig b/system/libraries/format/format.zig
index 02a5632..f9c8068 100644
--- a/system/libraries/format/format.zig
+++ b/system/libraries/format/format.zig
@@ -20,3 +20,10 @@ pub const colorf = printmod.colorf;
 pub const Table = tablemod.Table;
 pub const Column = tablemod.Column;
 pub const Alignment = tablemod.Alignment;
+
+/// Print a u64 value as decimal
+pub fn print_u64(num: u64) void {
+    var buf: [20]u8 = undefined;
+    const str = int.toStr(num, &buf);
+    print(str);
+}
diff --git a/system/libraries/kata/kata.zig b/system/libraries/kata/kata.zig
index 39f4556..1144294 100644
--- a/system/libraries/kata/kata.zig
+++ b/system/libraries/kata/kata.zig
@@ -43,3 +43,8 @@ pub fn wait(pid: u32) Error!u64 {
         yield();
     }
 }
+
+/// Reap zombie katas - returns number of zombies reaped
+pub fn reap() u64 {
+    return sys.syscall(.reap, .{});
+}
diff --git a/system/libraries/sys/sys.zig b/system/libraries/sys/sys.zig
index b080a90..56186f1 100644
--- a/system/libraries/sys/sys.zig
+++ b/system/libraries/sys/sys.zig
@@ -26,6 +26,7 @@ pub const Invocation = enum(u64) {
     uptime = 0x11,
     gettime = 0x12,
     diskinfo = 0x13,
+    reap = 0x14,
 };
 
 pub inline fn syscall(invocation: Invocation, args: anytype) u64 {
@@ -48,8 +49,7 @@ pub inline fn syscall(invocation: Invocation, args: anytype) u64 {
           [arg3] "{r10}" (arg3),
           [arg4] "{r8}" (arg4),
           [arg5] "{r9}" (arg5),
-        : .{ .rcx = true, .r11 = true, .memory = true }
-    );
+        : .{ .rcx = true, .r11 = true, .memory = true });
 }
 
 inline fn toU64(value: anytype) u64 {
diff --git a/system/pulse/pulse.zig b/system/pulse/pulse.zig
index 3ef1091..b917f8c 100644
--- a/system/pulse/pulse.zig
+++ b/system/pulse/pulse.zig
@@ -8,8 +8,16 @@ export fn main(pc: u32, pv: [*]const [*:0]const u8) u8 {
     _ = pc;
     _ = pv;
 
+    // Spawn Shinigami - the zombie reaper
+    _ = kata.spawn("/system/shinigami/shinigami.gen") catch {
+        format.println("Pulse: FATAL - Failed to spawn Shinigami");
+        return 1;
+    };
+    format.println("Pulse: Shinigami started");
+
+    // Main shell loop
     while (true) {
-        const shell_pid = kata.spawn("/system/ash/ash.akiba") catch {
+        const shell_pid = kata.spawn("/system/ash/ash.gen") catch {
             format.println("Pulse: Failed to spawn shell");
             kata.yield();
             continue;
diff --git a/system/shinigami/shinigami.zig b/system/shinigami/shinigami.zig
new file mode 100644
index 0000000..4f4973c
--- /dev/null
+++ b/system/shinigami/shinigami.zig
@@ -0,0 +1,17 @@
+//! Shinigami - The Soul Reaper
+//! Background service that reaps zombie katas
+
+const kata = @import("kata");
+
+export fn main(pc: u32, pv: [*]const [*:0]const u8) u8 {
+    _ = pc;
+    _ = pv;
+
+    // Shinigami runs forever, reaping zombie souls
+    while (true) {
+        _ = kata.reap();
+        kata.yield();
+    }
+
+    return 0;
+}
diff --git a/system/shinigami/shinigami.zon b/system/shinigami/shinigami.zon
new file mode 100644
index 0000000..2516af3
--- /dev/null
+++ b/system/shinigami/shinigami.zon
@@ -0,0 +1,9 @@
+.{
+    .name = "shinigami",
+    .version = "0.1.0",
+    .dependencies = .{
+        .sys,
+        .kata,
+    },
+    .entry = "shinigami.zig",
+}