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authorJulius Werner <jwerner@chromium.org>2019-02-20 18:39:22 -0800
committerJulius Werner <jwerner@chromium.org>2019-02-22 06:44:02 +0000
commit7e0dea6317dc74f8aba8c91d0f8e8a7237261c49 (patch)
treec9f476b75f0f9fcfe84aeb00b396723b3bcf7f5b /src/vendorcode/google
parent314b5c370b4655bc701985ddf1d1d478067e7baa (diff)
symbols.h: Add macro to define memlayout region symbols
When <symbols.h> was first introduced, it only declared a handful of regions and we didn't expect that too many architectures and platforms would need to add their own later. However, our amount of platforms has greatly expanded since, and with them the need for more special memory regions. The amount of code duplication is starting to get unsightly, and platforms keep defining their own <soc/symbols.h> files that need this as well. This patch adds another macro to cut down the definition boilerplate. Unfortunately, macros cannot define other macros when they're called, so referring to region sizes as _name_size doesn't work anymore. This patch replaces the scheme with REGION_SIZE(name). Not touching the regions in the x86-specific <arch/symbols.h> yet since they don't follow the standard _region/_eregion naming scheme. They can be converted later if desired. Change-Id: I44727d77d1de75882c72a94f29bd7e2c27741dd8 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/31539 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/vendorcode/google')
-rw-r--r--src/vendorcode/google/chromeos/symbols.h6
-rw-r--r--src/vendorcode/google/chromeos/watchdog.c4
2 files changed, 5 insertions, 5 deletions
diff --git a/src/vendorcode/google/chromeos/symbols.h b/src/vendorcode/google/chromeos/symbols.h
index d8e1ead13f..53476455c3 100644
--- a/src/vendorcode/google/chromeos/symbols.h
+++ b/src/vendorcode/google/chromeos/symbols.h
@@ -16,8 +16,8 @@
#ifndef __CHROMEOS_SYMBOLS_H
#define __CHROMEOS_SYMBOLS_H
-extern u8 _watchdog_tombstone[];
-extern u8 _ewatchdog_tombstone[];
-#define _watchdog_tombstone_size (_ewatchdog_tombstone - _watchdog_tombstone)
+#include <symbols.h>
+
+DECLARE_REGION(watchdog_tombstone)
#endif /* __CHROMEOS_SYMBOLS_H */
diff --git a/src/vendorcode/google/chromeos/watchdog.c b/src/vendorcode/google/chromeos/watchdog.c
index 61619ce0f9..1b9045ced7 100644
--- a/src/vendorcode/google/chromeos/watchdog.c
+++ b/src/vendorcode/google/chromeos/watchdog.c
@@ -30,7 +30,7 @@ DECLARE_OPTIONAL_REGION(watchdog_tombstone);
static void elog_handle_watchdog_tombstone(void *unused)
{
- if (!_watchdog_tombstone_size)
+ if (!REGION_SIZE(watchdog_tombstone))
return;
if (read32(_watchdog_tombstone) == WATCHDOG_TOMBSTONE_MAGIC)
@@ -44,7 +44,7 @@ BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY,
void mark_watchdog_tombstone(void)
{
- assert(_watchdog_tombstone_size);
+ assert(REGION_SIZE(watchdog_tombstone));
write32(_watchdog_tombstone, WATCHDOG_TOMBSTONE_MAGIC);
}