Change in coreboot[master]: cpu/x86/smm: Add smm_get_cbmemc_buffer for legacy SMI handler

[Raul Rangel (Code Review)]

Raul Rangel has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/62793 )

Change subject: cpu/x86/smm: Add smm_get_cbmemc_buffer for legacy SMI handler
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cpu/x86/smm: Add smm_get_cbmemc_buffer for legacy SMI handler

Fixes the following error when using the legacy SMI handler:
> coreboot/util/crossgcc/xgcc/bin/i386-elf-ld.bfd: build/smm/smm.o: in function `cbmemc_init':
> coreboot/src/lib/cbmem_console.c:91: undefined reference to `smm_get_cbmemc_buffer'

BUG=b:221231786
TEST=none

Fixes: c5160986cf9 ("cpu/x86/smm,lib/cbmem_console: Enable CBMEMC when using DEBUG_SMI")
Signed-off-by: Raul E Rangel 
Change-Id: I3ba4952d2d2a984adaf8fe3508e6b82d396aa9bb
---
M src/cpu/x86/smm/smihandler.c
1 file changed, 8 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/62793/1

diff --git a/src/cpu/x86/smm/smihandler.c b/src/cpu/x86/smm/smihandler.c
index 0b262af..fe95a2d 100644
--- a/src/cpu/x86/smm/smihandler.c
+++ b/src/cpu/x86/smm/smihandler.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

#include <arch/io.h>
+#include <console/cbmem_console.h>
 #include <console/console.h>
 #include <commonlib/region.h>
 #include <cpu/x86/smm.h>
@@ -55,6 +56,13 @@
    return (*((volatile unsigned long *)(LAPIC_ID)) >> 24);
 }

+void smm_get_cbmemc_buffer(void **buffer_out, size_t *size_out)
+{
+	/* Not supported with legacy SMI handler */
+	*buffer_out = NULL;
+	*size_out = NULL;
+}
+
 void io_trap_handler(int smif)
 {
    /* If a handler function handled a given IO trap, it