arm64: fix: a fully arm64 firmware + important fixes and patches.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/rv64/rv64-uart.c b/src/rv64/rv64-uart.c
index 73964ef..0bc6517 100644
--- a/src/rv64/rv64-uart.c
+++ b/src/rv64/rv64-uart.c
@@ -16,6 +16,7 @@ static uint8_t* cb_uart_ptr = (uint8_t*)CB_UART_BASE;
 utf_char_t cb_get_char(void)
 {
 	uintptr_t ptr = CB_UART_BASE;
+
 	while (!(*(((volatile uint8_t*)ptr) + 0x05) & 0x01))
 		;
 
@@ -27,8 +28,14 @@ static boolean cb_locked_put_char = no;
 
 void cb_put_char(utf_char_t ch)
 {
+	int32_t timeout = 0;
+
 	while (cb_locked_put_char)
 	{
+		++timeout;
+
+		if (timeout > 1000000)
+			break;
 	}
 
 	cb_locked_put_char = yes;