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tfm: interface: Fix bug where FPU registers were not restored correctly

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The caller saved registers were restored both as caller saved and
callee saved registers, i.e. register 0-15 were restored into
both register 0-15 and 15-31.

Signed-off-by: Øyvind Rønningstad <oyvind.ronningstad@nordicsemi.no>
This commit is contained in:
Øyvind Rønningstad 2021-06-04 15:58:19 +02:00 committed by Kumar Gala
parent 8ebb641ef7
commit c2efcc308c
1 changed files with 1 additions and 1 deletions
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2
modules/trusted-firmware-m/interface/interface.c
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@ -87,7 +87,7 @@ int32_t tfm_ns_interface_dispatch(veneer_fn fn,
__asm__ volatile(
"vldmia %0, {s0-s15}\n"
"vldmia %0, {s16-s31}\n"
"vldmia %1, {s16-s31}\n"
:: "r" (fp_ctx_caller_saved), "r" (fp_ctx_callee_saved) :
);
}