process: Remove copyBytes and copyBuffer methods

The message passing implementation will come with a revised memory scheme.

1 files changed, 0 insertions, 42 deletions

diff --git a/src/lib/process.zig b/src/lib/process.zig
index 2fbab11..70ac9a2 100644
--- a/src/lib/process.zig
+++ b/src/lib/process.zig
@@ -144,48 +144,6 @@ pub const Info = struct {
     fn shouldTerminateThread(self: *const Info, candidate: *const Info) bool {
         return candidate.thread_id == self.thread_id or self.thread_id == 0;
     }
-
-    pub fn copyBytes(self: *const Info, bytes: []const u8) ![]align(paging.page_size) const u8 {
-        const aligned_len = std.mem.alignForward(usize, bytes.len, paging.page_size);
-        const num_pages = @divExact(aligned_len, paging.page_size);
-
-        const copy = try paging.zeroedAlloc(num_pages);
-        errdefer paging.free(copy);
-
-        var addr = @intFromPtr(copy.ptr);
-        const limit = addr + copy.len;
-        while (addr < limit) : (addr += paging.page_size) {
-            try self.page_table.map(addr, addr, paging.EntryFlags.userReadOnly, 0);
-            errdefer self.page_table.unmapEntry(addr);
-        }
-
-        paging.setUserMemoryAccess(true);
-        defer paging.setUserMemoryAccess(false);
-
-        @memcpy(copy[0..bytes.len], bytes);
-        return copy[0..bytes.len];
-    }
-
-    pub fn copyBuffer(self: *const Info, buffer: []u8) ![]align(paging.page_size) u8 {
-        const aligned_len = std.mem.alignForward(usize, buffer.len, paging.page_size);
-        const num_pages = @divExact(aligned_len, paging.page_size);
-
-        const copy = try paging.zeroedAlloc(num_pages);
-        errdefer paging.free(copy);
-
-        var addr = @intFromPtr(copy.ptr);
-        const limit = addr + copy.len;
-        while (addr < limit) : (addr += paging.page_size) {
-            try self.page_table.map(addr, addr, paging.EntryFlags.userReadWrite, 0);
-            errdefer self.page_table.unmapEntry(addr);
-        }
-
-        paging.setUserMemoryAccess(true);
-        defer paging.setUserMemoryAccess(false);
-
-        @memcpy(copy[0..buffer.len], buffer);
-        return copy[0..buffer.len];
-    }
 };
 
 pub fn next() ?*Info {