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Fix unaligned access with LTO (#7801)

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Forces 4 byte alignment for USB input & output buffers to prevent unaligned accesses by chibios with LTO enabled
This commit is contained in:
George Harris
2020-01-25 22:35:39 +01:00
committed by Florian Didron
parent 9e7b84520b
commit 729bbe35e5
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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@@ -246,8 +246,8 @@ typedef struct {
.in_size = stream##_EPSIZE, \
.out_size = stream##_EPSIZE, \
.fixed_size = fixedsize, \
.ib = (uint8_t[BQ_BUFFER_SIZE(stream##_IN_CAPACITY, stream##_EPSIZE)]){}, \
.ob = (uint8_t[BQ_BUFFER_SIZE(stream##_OUT_CAPACITY, stream##_EPSIZE)]){}, \
.ib = (__attribute__((aligned(4))) uint8_t[BQ_BUFFER_SIZE(stream##_IN_CAPACITY, stream##_EPSIZE)]){}, \
.ob = (__attribute__((aligned(4))) uint8_t[BQ_BUFFER_SIZE(stream##_OUT_CAPACITY, stream##_EPSIZE)]){}, \
} \
}