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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2021-12-29 18:47:16 +0200 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2021-12-29 18:49:28 +0200 |
| commit | 4e5595a089c815febd7a0d42ab62940bf13f73ac (patch) | |
| tree | 322f35d9315e9966de8a66052811858df0144085 /arch/riscv/init | |
| parent | a12e50e5a7dae52ed8bd5a24cc6576371e20985b (diff) | |
| download | kmi-4e5595a089c815febd7a0d42ab62940bf13f73ac.tar.gz kmi-4e5595a089c815febd7a0d42ab62940bf13f73ac.zip | |
Preparations for refactoring
Diffstat (limited to 'arch/riscv/init')
| -rw-r--r-- | arch/riscv/init/init.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/riscv/init/init.c b/arch/riscv/init/init.c index 029c855..dc9d7e9 100644 --- a/arch/riscv/init/init.c +++ b/arch/riscv/init/init.c @@ -30,9 +30,14 @@ void init_vmem() /* kernel (also sort of direct mapping) */ /* FIXME set up actually correct addressing retard */ flags |= VM_G; - for(size_t i = 256; i < 512; ++i) + for(size_t i = 256; i < 511; ++i) root_branch->leaf[i] = (int *)to_pte(RAM_BASE + SZ_1G * (i - 256), flags); + /* kernel IO, map to 0 for now, should be made more robust in the future */ + /* same goes for the equivalent piece of code over in kernel/main.c, + * which btw should really get refactored, it's a mess */ + root_branch->leaf[511] = (int *)to_pte(0, flags); + csr_write(CSR_SATP, SATP_MODE_Sv39 | ((size_t)root_branch >> 12)); } |