Remove rethooks

4 files changed, 0 insertions, 23 deletions

diff --git a/src/kernel.zig b/src/kernel.zig
index 46bfcfa..bc93e31 100644
--- a/src/kernel.zig
+++ b/src/kernel.zig
@@ -144,7 +144,6 @@ fn pagedRun() !noreturn {
     try w.print("\r\n", .{});
     try w.print("===================== Kernel Page Table =====================\r\n", .{});
     try w.print(".text:      0x{x:0>8} - 0x{x:0>8} -> identity mapped (-r-x)\r\n", .{ @intFromPtr(paging.text_start), @intFromPtr(paging.text_end) });
-    try w.print(".rethooks:  0x{x:0>8} - 0x{x:0>8} -> identity mapped (ur-x)\r\n", .{ @intFromPtr(paging.rethooks_start), @intFromPtr(paging.rethooks_end) });
     try w.print(".rodata:    0x{x:0>8} - 0x{x:0>8} -> identity mapped (-r--)\r\n", .{ @intFromPtr(paging.rodata_start), @intFromPtr(paging.rodata_end) });
     try w.print(".data:      0x{x:0>8} - 0x{x:0>8} -> identity mapped (-rw-)\r\n", .{ @intFromPtr(paging.data_start), @intFromPtr(paging.data_end) });
     try w.print(".bss:       0x{x:0>8} - 0x{x:0>8} -> identity mapped (-rw-)\r\n", .{ @intFromPtr(paging.bss_start), @intFromPtr(paging.bss_end) });
diff --git a/src/lib/paging.zig b/src/lib/paging.zig
index 060bcc3..6403ffe 100644
--- a/src/lib/paging.zig
+++ b/src/lib/paging.zig
@@ -12,8 +12,6 @@ const riscv = @import("riscv.zig");
 // Defined by linker script.
 pub const text_start = @extern(*anyopaque, .{ .name = "_text_start" });
 pub const text_end = @extern(*anyopaque, .{ .name = "_text_end" });
-pub const rethooks_start = @extern(*anyopaque, .{ .name = "_rethooks_start" });
-pub const rethooks_end = @extern(*anyopaque, .{ .name = "_rethooks_end" });
 pub const rodata_start = @extern(*anyopaque, .{ .name = "_rodata_start" });
 pub const rodata_end = @extern(*anyopaque, .{ .name = "_rodata_end" });
 pub const data_start = @extern(*anyopaque, .{ .name = "_data_start" });
@@ -465,7 +463,6 @@ pub const Table = struct {
 
     pub fn mapKernel(root: *Table) !void {
         try root.identityMapRange(@intFromPtr(text_start), @intFromPtr(text_end), EntryFlags.readExec);
-        try root.identityMapRange(@intFromPtr(rethooks_start), @intFromPtr(rethooks_end), EntryFlags.userReadExec);
         try root.identityMapRange(@intFromPtr(rodata_start), @intFromPtr(rodata_end), EntryFlags.readOnly);
         try root.identityMapRange(@intFromPtr(data_start), @intFromPtr(data_end), EntryFlags.readWrite);
         try root.identityMapRange(@intFromPtr(bss_start), @intFromPtr(bss_end), EntryFlags.readWrite);
diff --git a/src/lib/process.zig b/src/lib/process.zig
index dff5634..4ef3fe4 100644
--- a/src/lib/process.zig
+++ b/src/lib/process.zig
@@ -6,7 +6,6 @@ const builtin = @import("builtin");
 const std = @import("std");
 const TrapFrame = @import("TrapFrame.zig");
 const paging = @import("paging.zig");
-const rethooks = @import("rethooks.zig");
 const riscv = @import("riscv.zig");
 const time = @import("sbi/time.zig");
 const Allocator = std.mem.Allocator;
diff --git a/src/lib/rethooks.zig b/src/lib/rethooks.zig
deleted file mode 100644
index e81125a..0000000
--- a/src/lib/rethooks.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-// SPDX-FileCopyrightText: 2024 Himbeer <himbeer@disroot.org>
-//
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-pub fn terminate() linksection(".rethooks") callconv(.Naked) noreturn {
-    // Syscall #100001 is "open".
-    // Use the "/process/self/terminate" hook to terminate the thread.
-    asm volatile (
-        \\ mv a0, a2
-        \\ mv a1, a3
-        \\ mv t0, a0
-        \\ li a7, 100001
-        \\ ecall
-        :
-        : [path_c] "{t0}" ("/process/self/terminate\x00".ptr),
-        : "a0", "a2", "a3", "a7"
-    );
-}