console/hw-debug_sink: Update for fast/slow console distinction

Change-Id: I9ac110c7b812f912f0f87cbe4aa218d4a78e6aaf
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

1 files changed, 28 insertions, 4 deletions

diff --git a/src/console/hw-debug_sink.adb b/src/console/hw-debug_sink.adb
index f30b73f4ce..6a2889de8f 100644
--- a/src/console/hw-debug_sink.adb
+++ b/src/console/hw-debug_sink.adb
@@ -1,7 +1,9 @@
 -- SPDX-License-Identifier: GPL-2.0-only
 
 with Interfaces.C;
+with CB.Config;
 
+use CB;
 use type Interfaces.C.int;
 
 package body HW.Debug_Sink is
@@ -13,21 +15,43 @@ package body HW.Debug_Sink is
 
    Msg_Level_BIOS_DEBUG : constant := 7;
 
+   CONSOLE_LOG_FAST  : constant := 1;
+   CONSOLE_LOG_ALL   : constant := 2;
+
+   procedure cbmemc_tx_byte (chr : Interfaces.C.char);
+   pragma Import (C, cbmemc_tx_byte, "cbmemc_tx_byte");
+
    procedure console_tx_byte (chr : Interfaces.C.char);
    pragma Import (C, console_tx_byte, "console_tx_byte");
 
-   procedure Put (Item : String) is
+   procedure Put (Item : String)
+   is
+      console_log : constant Interfaces.C.int :=
+         console_log_level (Msg_Level_BIOS_DEBUG);
    begin
-      if console_log_level (Msg_Level_BIOS_DEBUG) /= 0 then
+      if console_log = CONSOLE_LOG_FAST then
+         if Config.CONSOLE_CBMEM then
+            for Idx in Item'Range loop
+               cbmemc_tx_byte (Interfaces.C.To_C (Item (Idx)));
+            end loop;
+         end if;
+      elsif console_log = CONSOLE_LOG_ALL then
          for Idx in Item'Range loop
             console_tx_byte (Interfaces.C.To_C (Item (Idx)));
          end loop;
       end if;
    end Put;
 
-   procedure Put_Char (Item : Character) is
+   procedure Put_Char (Item : Character)
+   is
+      console_log : constant Interfaces.C.int :=
+         console_log_level (Msg_Level_BIOS_DEBUG);
    begin
-      if console_log_level (Msg_Level_BIOS_DEBUG) /= 0 then
+      if console_log = CONSOLE_LOG_FAST then
+         if Config.CONSOLE_CBMEM then
+            cbmemc_tx_byte (Interfaces.C.To_C (Item));
+         end if;
+      elsif console_log = CONSOLE_LOG_ALL then
          console_tx_byte (Interfaces.C.To_C (Item));
       end if;
    end Put_Char;