drivers/gicv3: fix logical issue for num_eints
In function gicv3_spis_config_defaults(), the variable num_ints is set to (maximum SPI INTID + 1), while num_eints is set to (maximum ESPI INTID). It introduces not only inconsistency to the code, but also logical bug in the "for" loops, for the INTID of num_eints is also valid and the check should be inclusive. Fix this by setting num_eints to (maximum ESPI INTID + 1) as well. Fix similar issues in gicv3_distif_save() and gicv3_distif_init_restore(). Signed-off-by: Heyi Guo <guoheyi@linux.alibaba.com> Change-Id: I4425777d17e84e85f38853603340bd348640154f
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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@ -117,7 +117,7 @@ void gicv3_spis_config_defaults(uintptr_t gicd_base)
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* Maximum ESPI INTID is 32 * (GICD_TYPER.ESPI_range + 1) + 4095
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*/
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num_eints = ((((typer_reg >> TYPER_ESPI_RANGE_SHIFT) &
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TYPER_ESPI_RANGE_MASK) + 1U) << 5) + MIN_ESPI_ID - 1;
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TYPER_ESPI_RANGE_MASK) + 1U) << 5) + MIN_ESPI_ID;
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for (i = MIN_ESPI_ID; i < num_eints;
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i += (1U << IGROUPR_SHIFT)) {
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@ -757,7 +757,7 @@ void gicv3_distif_save(gicv3_dist_ctx_t * const dist_ctx)
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* Maximum ESPI INTID is 32 * (GICD_TYPER.ESPI_range + 1) + 4095
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*/
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num_eints = ((((typer_reg >> TYPER_ESPI_RANGE_SHIFT) &
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TYPER_ESPI_RANGE_MASK) + 1U) << 5) + MIN_ESPI_ID - 1;
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TYPER_ESPI_RANGE_MASK) + 1U) << 5) + MIN_ESPI_ID;
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} else {
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num_eints = 0U;
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}
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@ -881,7 +881,7 @@ void gicv3_distif_init_restore(const gicv3_dist_ctx_t * const dist_ctx)
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* Maximum ESPI INTID is 32 * (GICD_TYPER.ESPI_range + 1) + 4095
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*/
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num_eints = ((((typer_reg >> TYPER_ESPI_RANGE_SHIFT) &
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TYPER_ESPI_RANGE_MASK) + 1U) << 5) + MIN_ESPI_ID - 1;
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TYPER_ESPI_RANGE_MASK) + 1U) << 5) + MIN_ESPI_ID;
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} else {
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num_eints = 0U;
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}
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