lfb: implemented mmap() handler for framebuffers

lux-operating-system · Nov 30, 2024 · b820bdf · b820bdf
1 parent 0b1d5e1
commit b820bdf
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/devices/lfb/src/main.c b/devices/lfb/src/main.c
@@ -156,6 +156,15 @@ int main() {
                 }
 
                 luxSendKernel(ioctlcmd);
+            } else if(cmd->header.header.command == COMMAND_MMAP) {
+                MmapCommand *mmapcmd = (MmapCommand *) cmd;
+                mmapcmd->header.header.response = 1;
+                mmapcmd->header.header.length = sizeof(MmapCommand);
+                mmapcmd->header.header.status = 0;
+                mmapcmd->responseType = 1;
+                mmapcmd->mmio = fb.bufferPhysical;
+
+                luxSendKernel(mmapcmd);
             } else {
                 luxLogf(KPRINT_LEVEL_WARNING, "unimplemented command 0x%X, dropping message...\n", cmd->header.header.command);
             }