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refactor(qemu): console runtime switch on bl31 exit

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Flush the FIFO before switching to runtime. This is so that there are
no lingering chars in the FIFO when we move to the runtime console.

TF-A plans to refactor the console_Switch_state(CONSOLE_FLAG_RUNTIME)
and console_flush() calls and make them the last calls in bl31_main()
(before BL31 exits). Until then they are being left as the last calls
in bl31_plat_runtime_setup() for testing before refactoring.

This patch affects the QEMU platform only.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Change-Id: I6188d73dd3f3c97f41bb25de543f8c46a972adf0
This commit is contained in:
Jens Wiklander 2024-03-01 09:07:19 +01:00
parent fa45e03c38
commit c09aa4ff76
1 changed files with 3 additions and 2 deletions
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5
plat/qemu/common/qemu_bl31_setup.c
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@ -199,8 +199,6 @@ entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
void bl31_plat_runtime_setup(void)
{
console_switch_state(CONSOLE_FLAG_RUNTIME);
#if TRANSFER_LIST
if (bl31_tl) {
/*
@ -210,4 +208,7 @@ void bl31_plat_runtime_setup(void)
memcpy((void *)FW_NS_HANDOFF_BASE, bl31_tl, bl31_tl->max_size);
}
#endif
console_flush();
console_switch_state(CONSOLE_FLAG_RUNTIME);
}