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rate-limit scheme error spam to prevent serial log flood

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This commit is contained in:
Admin Pupkin
2026-05-28 00:36:17 +03:00
parent 3583ee0186
commit 328d1abbcd
59 changed files with 10063 additions and 25957 deletions
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local/patches/kernel/P26-debug-display-scroll.patch
+107
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@@ -0,0 +1,107 @@
diff --git a/src/devices/graphical_debug/debug.rs b/src/devices/graphical_debug/debug.rs
index 4b684c8a..e3fe0472 100644
--- a/src/devices/graphical_debug/debug.rs
+++ b/src/devices/graphical_debug/debug.rs
@@ -29,0 +30,3 @@ impl DebugDisplay {
+ const CHAR_WIDTH: usize = 8;
+ const CHAR_HEIGHT: usize = 16;
+
@@ -43,2 +46,2 @@ impl DebugDisplay {
- let w = display.width / 8;
- let h = display.height / 16;
+ let w = display.width / Self::CHAR_WIDTH;
+ let h = display.height / Self::CHAR_HEIGHT;
@@ -54,0 +58,21 @@ impl DebugDisplay {
+ fn scroll_up(&mut self) {
+ let stride = self.display.stride;
+ let width = self.display.width;
+ let total_height = self.display.height;
+ let scroll_px = Self::CHAR_HEIGHT;
+
+ unsafe {
+ let ptr = self.display.onscreen_ptr;
+ for row in 0..total_height - scroll_px {
+ ptr::copy(
+ ptr.add((row + scroll_px) * stride),
+ ptr.add(row * stride),
+ width,
+ );
+ }
+ for row in total_height - scroll_px..total_height {
+ ptr::write_bytes(ptr.add(row * stride), 0, width);
+ }
+ }
+ }
+
@@ -59 +83,5 @@ impl DebugDisplay {
- self.y = (self.y + 1) % self.h;
+ self.y += 1;
+ if self.y >= self.h {
+ self.scroll_up();
+ self.y = self.h - 1;
+ }
@@ -67 +94,0 @@ impl DebugDisplay {
- // Byte 0x1B starts ESC sequence
@@ -72 +98,0 @@ impl DebugDisplay {
- // Ignore other nonprintable characters
@@ -77 +102,0 @@ impl DebugDisplay {
- // '[' after ESC starts CSI sequence
@@ -82 +106,0 @@ impl DebugDisplay {
- // Capture any bytes after ESC
@@ -87 +110,0 @@ impl DebugDisplay {
- // Byte 0x40 to 0x7E ends CSI
@@ -92 +114,0 @@ impl DebugDisplay {
- // Capture any bytes after CSI
@@ -96 +117,0 @@ impl DebugDisplay {
- // Allow any other bytes
@@ -102 +122,0 @@ impl DebugDisplay {
- self.clear_row((self.y + 1) % self.h);
@@ -105 +125 @@ impl DebugDisplay {
- self.char(self.x * 8, self.y * 16, b as char, 0xFFFFFF);
+ self.char(self.x * Self::CHAR_WIDTH, self.y * Self::CHAR_HEIGHT, b as char, 0xFFFFFF);
@@ -112 +132 @@ impl DebugDisplay {
- for row in y * 16..(y + 1) * 16 {
+ for row in y * Self::CHAR_HEIGHT..(y + 1) * Self::CHAR_HEIGHT {
@@ -123 +142,0 @@ impl DebugDisplay {
- /// Draw a character
@@ -125,7 +144,8 @@ impl DebugDisplay {
- if x + 8 <= self.display.width && y + 16 <= self.display.height {
- let phys_y = y % self.display.height;
- let mut dst = unsafe {
- self.display
- .onscreen_ptr
- .add(phys_y * self.display.stride + x)
- };
+ if x + Self::CHAR_WIDTH > self.display.width || y + Self::CHAR_HEIGHT > self.display.height {
+ return;
+ }
+
+ let font_i = Self::CHAR_HEIGHT * (character as usize);
+ if font_i + Self::CHAR_HEIGHT > FONT.len() {
+ return;
+ }
@@ -133,6 +152,0 @@ impl DebugDisplay {
- let font_i = 16 * (character as usize);
- if font_i + 16 <= FONT.len() {
- for row in 0..16 {
- let row_data = FONT[font_i + row];
- for col in 0..8 {
- if (row_data >> (7 - col)) & 1 == 1 {
@@ -139,0 +154,7 @@ impl DebugDisplay {
+ let ptr = self.display.onscreen_ptr;
+ let stride = self.display.stride;
+ for row in 0..Self::CHAR_HEIGHT {
+ let row_data = FONT[font_i + row];
+ let dst = ptr.add((y + row) * stride + x);
+ for col in 0..Self::CHAR_WIDTH {
+ if (row_data >> (Self::CHAR_WIDTH - 1 - col)) & 1 == 1 {
@@ -144,9 +164,0 @@ impl DebugDisplay {
-
- let next_phys_y = (phys_y + row + 1) % self.display.height;
- dst = unsafe {
- self.display
- .onscreen_ptr
- .add(next_phys_y * self.display.stride + x)
- };
- }
- }