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| author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2016-08-22 19:37:16 +0200 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2016-08-23 23:47:01 +0200 |
| commit | 857e33e27f1feeec328ae8be5ad61ee51b75e4ec (patch) | |
| tree | dd743b4fda0ac4c6f485e56a982fbc50932a4e42 /src/arch/riscv/virtual_memory.c | |
| parent | 3965a522c23ea50b1a861b89a8215a524caa35f7 (diff) | |
| download | coreboot-857e33e27f1feeec328ae8be5ad61ee51b75e4ec.tar.xz | |
arch/riscv: Implement the SBI again
Not all SBI calls are implemented, but it's enough to see a couple dozen
lines of Linux boot output.
It should also be noted that the SBI is still in flux:
https://groups.google.com/a/groups.riscv.org/forum/#!topic/sw-dev/6oNhlW0OFKM
Change-Id: I80e4fe508336d6428ca7136bc388fbc3cda4f1e4
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/16119
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/arch/riscv/virtual_memory.c')
| -rw-r--r-- | src/arch/riscv/virtual_memory.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/arch/riscv/virtual_memory.c b/src/arch/riscv/virtual_memory.c index fab7d90d70..74b382527b 100644 --- a/src/arch/riscv/virtual_memory.c +++ b/src/arch/riscv/virtual_memory.c @@ -16,6 +16,7 @@ #include <arch/barrier.h> #include <arch/encoding.h> +#include <arch/sbi.h> #include <atomic.h> #include <console/console.h> #include <stdint.h> @@ -151,7 +152,7 @@ void init_vm(uintptr_t virtMemStart, uintptr_t physMemStart, uintptr_t pageTable // map SBI at top of vaddr space uintptr_t num_sbi_pages = 1; // only need to map a single page for sbi interface - uintptr_t sbiStartAddress = 0x2000; // the start of the sbi mapping + uintptr_t sbiStartAddress = (uintptr_t) &sbi_page; uintptr_t sbiAddr = sbiStartAddress; for (uintptr_t i = 0; i < num_sbi_pages; i++) { uintptr_t idx = (1 << RISCV_PGLEVEL_BITS) - num_sbi_pages + i; |