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commit 9e313bddbf01e1d3ffe42625ba3008030de1a4f4
Author: buxiasen <buxia...@xiaomi.com>
AuthorDate: Fri Apr 25 18:06:04 2025 +0800
arch/arm/goldfish: copy mmu table when SMP
As out current design, each cpu manage task mmu table by insert
and erase like-behavior for arm32, have to per-cpu mmu-table when kernel
build.
Signed-off-by: buxiasen <buxia...@xiaomi.com>
---
arch/arm/src/goldfish/goldfish_boot.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/src/goldfish/goldfish_boot.c
b/arch/arm/src/goldfish/goldfish_boot.c
index ff2d2c4735..233451394c 100644
--- a/arch/arm/src/goldfish/goldfish_boot.c
+++ b/arch/arm/src/goldfish/goldfish_boot.c
@@ -109,6 +109,14 @@ int up_cpu_start(int cpu)
sched_note_cpu_start(this_task(), cpu);
#endif
+#ifdef CONFIG_ARCH_ADDRENV
+ /* Copy cpu0 page table to target cpu. */
+
+ memcpy((uint32_t *)(PGTABLE_BASE_VADDR + PGTABLE_SIZE * cpu),
+ (uint32_t *)PGTABLE_BASE_VADDR, PGTABLE_SIZE);
+ UP_DSB();
+#endif
+
return psci_cpu_on(cpu, (uintptr_t)__start);
}
#endif
