servers: provide frame buffer physical address

lux-operating-system · Nov 30, 2024 · f36c1ee · f36c1ee
1 parent 5bc0538
commit f36c1ee
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diff --git a/src/include/kernel/servers.h b/src/include/kernel/servers.h
@@ -106,6 +106,7 @@ typedef struct {
 typedef struct {
     MessageHeader header;
     uint64_t buffer;        // pointer
+    uint64_t bufferPhysical;
     uint16_t w, h, pitch, bpp;
 } FramebufferResponse;
 

diff --git a/src/servers/general.c b/src/servers/general.c
@@ -125,6 +125,7 @@ void getFramebuffer(Thread *t, int sd, const MessageHeader *req, void *res) {
     schedRelease(); 
 
     response->buffer = base;
+    response->bufferPhysical = phys;
     response->w = ttyStatus.w;
     response->h = ttyStatus.h;
     response->bpp = ttyStatus.bpp;