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bsps/aarch64: Fix warning on ILP32

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ILP32 can't represent 4GB in uintptr_t. Avoid the warning that this
assignment generates and update MMU config processing to avoid overflow
when ILP32 is in use.
This commit is contained in:
Kinsey Moore
2025-08-05 13:43:53 +00:00
committed by Gedare Bloom
parent b40fba2686
commit 2cc6af6188
2 changed files with 9 additions and 4 deletions
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bsps/aarch64/shared/mmu/mmu-setup.c
+3 -3
View File
@@ -264,9 +264,9 @@ aarch64_mmu_set_translation_table_entries(
{
uint64_t max_mappable = 1LLU << aarch64_mmu_get_cpu_pa_bits();
/* Align to page boundaries */
uintptr_t begin = RTEMS_ALIGN_DOWN( config->begin, MMU_PAGE_SIZE );
uintptr_t end = RTEMS_ALIGN_UP( config->end, MMU_PAGE_SIZE );
uintptr_t size = end - begin;
uint64_t begin = RTEMS_ALIGN_DOWN( config->begin, MMU_PAGE_SIZE );
uint64_t end = RTEMS_ALIGN_UP( (uint64_t) config->end, MMU_PAGE_SIZE );
uint64_t size = end - begin;
if ( config->begin == config->end ) {
return RTEMS_SUCCESSFUL;
bsps/aarch64/xilinx-zynqmp/start/mmu-config.c
+6 -1
View File
@@ -54,7 +54,12 @@ aarch64_mmu_config_table[] = {
/* Map OCM space */
}, {
.begin = 0xfffc0000U,
.end = 0x100000000U,
/*
* This should be 4GB, but uintptr_t can't hold that for ILP32. This will be
* rounded up to MMU page alignment during initial setup and will end up
* being 4GB anyway.
*/
.end = 0xffffffffU,
.flags = AARCH64_MMU_DATA_RW
}, { /* DDRMC_region1_mem, if not used size is 0 and ignored */
.begin = (uintptr_t) bsp_r1_ram_base,