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riscv/pgmap: Fix bug in kernel page directory init

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The L2 table was not connected -> results in random crashes. Also add
missing data sync barrier to the end.
This commit is contained in:
Ville Juven
2024-05-02 13:55:19 +03:00
committed by Xiang Xiao
parent cc9c3ed80b
commit 0cd5689bcb
1 changed files with 5 additions and 1 deletions
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arch/risc-v/src/common/riscv_addrenv_pgmap.c
+5 -1
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@@ -198,7 +198,7 @@ int up_addrenv_kmap_init(void)
next = g_kernel_pgt_pbase; next = g_kernel_pgt_pbase;
vaddr = CONFIG_ARCH_KMAP_VBASE; vaddr = CONFIG_ARCH_KMAP_VBASE;
for (i = 0; i < (ARCH_SPGTS - 1); i++) for (i = 0; i < ARCH_SPGTS; i++)
{ {
/* Connect the static page tables */ /* Connect the static page tables */
@@ -211,6 +211,10 @@ int up_addrenv_kmap_init(void)
addrenv->satp = mmu_satp_reg(g_kernel_pgt_pbase, 0); addrenv->satp = mmu_satp_reg(g_kernel_pgt_pbase, 0);
/* When all is set and done, flush the data caches */
__DMB();
return OK; return OK;
} }