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authorFurquan Shaikh <furquan@google.com>2020-11-20 22:50:26 -0800
committerFurquan Shaikh <furquan@google.com>2020-12-08 18:57:35 +0000
commit19ba95f799e6a27223b9bde3d4d66a685794e3ed (patch)
tree472a2421b98d88627525b62b1002d4d314d05696 /util/cbfstool/common.h
parent6b6e9b503d9aac1e5c9e71623752399683c31218 (diff)
util/cbfstool: Rename IS_TOP_ALIGNED_ADDRESS to IS_HOST_SPACE_ADDRESS
This change renames the macro `IS_TOP_ALIGNED_ADDRESS` to `IS_HOST_SPACE_ADDRESS` to make it clear that the macro checks if given address is an address in the host space as opposed to the SPI flash space. BUG=b:171534504 Change-Id: I84bb505df62ac41f1d364a662be145603c0bd5fa Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/47830 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'util/cbfstool/common.h')
-rw-r--r--util/cbfstool/common.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/util/cbfstool/common.h b/util/cbfstool/common.h
index f1287e299f..1c83045eee 100644
--- a/util/cbfstool/common.h
+++ b/util/cbfstool/common.h
@@ -15,7 +15,12 @@
#include "swab.h"
-#define IS_TOP_ALIGNED_ADDRESS(x) ((uint32_t)(x) > 0x80000000)
+/*
+ * There are two address spaces that this tool deals with - SPI flash address space and host
+ * address space. This macros checks if the address is greater than 2GiB under the assumption
+ * that the low MMIO lives in the top half of the 4G address space of the host.
+ */
+#define IS_HOST_SPACE_ADDRESS(addr) ((uint32_t)(addr) > 0x80000000)
#define unused __attribute__((unused))