console: Port Multi Console driver to AArch32
The old driver is now in deprecated_console.S, in a similar way to the
AArch64 driver.
Change-Id: Ib57209c322576c451d466d7406a94adbf01ab8fd
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
diff --git a/drivers/console/aarch32/console.S b/drivers/console/aarch32/console.S
index a3c6546..f909609 100644
--- a/drivers/console/aarch32/console.S
+++ b/drivers/console/aarch32/console.S
@@ -3,104 +3,9 @@
*
* SPDX-License-Identifier: BSD-3-Clause
*/
-#include <asm_macros.S>
-
- .globl console_init
- .globl console_uninit
- .globl console_putc
- .globl console_getc
- .globl console_flush
-
- /*
- * The console base is in the data section and not in .bss
- * even though it is zero-init. In particular, this allows
- * the console functions to start using this variable before
- * the runtime memory is initialized for images which do not
- * need to copy the .data section from ROM to RAM.
- */
-.section .data.console_base ; .align 2
- console_base: .word 0x0
-
- /* -----------------------------------------------
- * int console_init(uintptr_t base_addr,
- * unsigned int uart_clk, unsigned int baud_rate)
- * Function to initialize the console without a
- * C Runtime to print debug information. It saves
- * the console base to the data section.
- * In: r0 - console base address
- * r1 - Uart clock in Hz
- * r2 - Baud rate
- * out: return 1 on success else 0 on error
- * Clobber list : r1 - r3
- * -----------------------------------------------
- */
-func console_init
- /* Check the input base address */
- cmp r0, #0
- beq init_fail
- ldr r3, =console_base
- str r0, [r3]
- b console_core_init
-init_fail:
- bx lr
-endfunc console_init
-
- /* -----------------------------------------------
- * void console_uninit(void)
- * Function to finish the use of console driver.
- * It sets the console_base as NULL so that any
- * further invocation of `console_putc` or
- * `console_getc` APIs would return error.
- * -----------------------------------------------
- */
-func console_uninit
- mov r0, #0
- ldr r3, =console_base
- str r0, [r3]
- bx lr
-endfunc console_uninit
-
- /* ---------------------------------------------
- * int console_putc(int c)
- * Function to output a character over the
- * console. It returns the character printed on
- * success or -1 on error.
- * In : r0 - character to be printed
- * Out : return -1 on error else return character.
- * Clobber list : r1, r2
- * ---------------------------------------------
- */
-func console_putc
- ldr r2, =console_base
- ldr r1, [r2]
- b console_core_putc
-endfunc console_putc
-
- /* ---------------------------------------------
- * int console_getc(void)
- * Function to get a character from the console.
- * It returns the character grabbed on success
- * or -1 on error.
- * Clobber list : r0, r1
- * ---------------------------------------------
- */
-func console_getc
- ldr r1, =console_base
- ldr r0, [r1]
- b console_core_getc
-endfunc console_getc
- /* ---------------------------------------------
- * int console_flush(void)
- * Function to force a write of all buffered
- * data that hasn't been output. It returns 0
- * upon successful completion, otherwise it
- * returns -1.
- * Clobber list : r0, r1
- * ---------------------------------------------
- */
-func console_flush
- ldr r1, =console_base
- ldr r0, [r1]
- b console_core_flush
-endfunc console_flush
+ #if MULTI_CONSOLE_API
+ #include "multi_console.S"
+ #else
+ #include "deprecated_console.S"
+ #endif