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clang: Allow initializer overrides 

In the code we do the following in a number of places
to pre-initialize an array with a certain value before
overwriting some of the array with other values:

 u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
    [0 ... FCH_INT_TABLE_SIZE-1] = 0x1F,
 }

clang does not like that behavior unless we specify
the option -Wno-initializer-overrides.

Remove the check for gcc in those places, too, because
 1) it would silently change array contents between compilers
 2) the check isn't sufficient to determine compilation on
    clang vs gcc

Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Change-Id: I93cc121b6fec099fcdbd5fd1114c2ff7cbc291dc
Reviewed-on: https://review.coreboot.org/20384
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Stefan Reinauer 2017-06-27 00:27:32 +02:00
parent 0b4d5648f2
commit 42b37f537f
3 changed files with 2 additions and 9 deletions
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4
src/mainboard/amd/db-ft3b-lc/mainboard.c
View File

@ -43,9 +43,7 @@
* MP Tables. TODO: Make ACPI use these values too.
*/
static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
#if defined(__GNUC__)
[0 ... FCH_INT_TABLE_SIZE-1] = 0x1F,
#endif
/* INTA# - INTH# */
[0x00] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,
/* Misc-nil,0,1,2, INT from Serial irq */
@ -61,9 +59,7 @@ static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
};
static const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = {
#if defined(__GNUC__)
[0 ... FCH_INT_TABLE_SIZE-1] = 0x1F,
#endif
/* INTA# - INTH# */
[0x00] = 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,
/* Misc-nil,0,1,2, INT from Serial irq */

4
src/mainboard/pcengines/apu2/mainboard.c
View File

@ -50,9 +50,7 @@
* MP Tables. TODO: Make ACPI use these values too.
*/
static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
#if defined(__GNUC__)
[0 ... FCH_INT_TABLE_SIZE-1] = 0x1F,
#endif
/* INTA# - INTH# */
[0x00] = 0x03,0x03,0x05,0x07,0x0B,0x0A,0x1F,0x1F,
/* Misc-nil,0,1,2, INT from Serial irq */
@ -75,9 +73,7 @@ static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
};
static const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = {
#if defined(__GNUC__)
[0 ... FCH_INT_TABLE_SIZE-1] = 0x1F,
#endif
/* INTA# - INTH# */
[0x00] = 0x10,0x10,0x12,0x13,0x14,0x15,0x1F,0x1F,
/* Misc-nil,0,1,2, INT from Serial irq */

3
util/xcompile/xcompile
View File

@ -254,7 +254,8 @@ CLANG_CC_${TARCH}:=${CLANG}
CLANG_CFLAGS_${TARCH}:=${CFLAGS_CLANG}
CLANG_CFLAGS_${TARCH}+=-no-integrated-as -Qunused-arguments -m${TWIDTH}
# tone down clang compiler warnings
CLANG_CFLAGS_${TARCH}+=-Wno-unused-variable -Wno-unused-function -Wno-tautological-compare -Wno-shift-overflow -Wno-address-of-packed-member
CLANG_CFLAGS_${TARCH}+=-Wno-unused-variable -Wno-unused-function -Wno-tautological-compare
CLANG_CFLAGS_${TARCH}+=-Wno-shift-overflow -Wno-address-of-packed-member -Wno-initializer-overrides
CLANG_COMPILER_RT_${TARCH}:=${CC_RT_CLANG}
CLANG_COMPILER_RT_FLAGS_${TARCH}:=${CC_RT_EXTRA_CLANG}