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Fix unaligned access with LTO (#7801) 

Forces 4 byte alignment for USB input & output buffers to prevent unaligned accesses by chibios with LTO enabled
master
George Harris 2020-01-25 22:35:39 +01:00 committed by Drashna Jaelre
parent 480a391929
commit e9ffc53476
1 changed files with 2 additions and 2 deletions
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4
tmk_core/protocol/chibios/usb_main.c
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@ -227,8 +227,8 @@ typedef struct {
.in_size = stream##_EPSIZE, \ .in_size = stream##_EPSIZE, \
.out_size = stream##_EPSIZE, \ .out_size = stream##_EPSIZE, \
.fixed_size = fixedsize, \ .fixed_size = fixedsize, \
.ib = (uint8_t[BQ_BUFFER_SIZE(stream##_IN_CAPACITY, stream##_EPSIZE)]){}, \ .ib = (__attribute__((aligned(4))) uint8_t[BQ_BUFFER_SIZE(stream##_IN_CAPACITY, stream##_EPSIZE)]){}, \
.ob = (uint8_t[BQ_BUFFER_SIZE(stream##_OUT_CAPACITY, stream##_EPSIZE)]){}, \ .ob = (__attribute__((aligned(4))) uint8_t[BQ_BUFFER_SIZE(stream##_OUT_CAPACITY, stream##_EPSIZE)]){}, \
} \ } \
} }