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| author | Wojciech Muła <wojciech_mula@poczta.onet.pl> | 2024-04-24 06:58:59 +0200 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2024-05-20 18:37:48 -0700 |
| commit | ab24ff26666e14b3b6c4a8c8bb2c209d2587bb3e (patch) | |
| tree | 98780651ffcc8ea390e77bce5869983f31be5ab4 /machine | |
| parent | 86ed1b3b062bc81c2f42d6676a71cfba52880915 (diff) | |
| download | riscv-pk-ab24ff26666e14b3b6c4a8c8bb2c209d2587bb3e.zip riscv-pk-ab24ff26666e14b3b6c4a8c8bb2c209d2587bb3e.tar.gz riscv-pk-ab24ff26666e14b3b6c4a8c8bb2c209d2587bb3e.tar.bz2 | |
Implementation of riscv_hwprobe syscall from Linux (#325)
See: https://www.kernel.org/doc/html/latest/arch/riscv/hwprobe.html
Diffstat (limited to 'machine')
| -rw-r--r-- | machine/minit.c | 2 | ||||
| -rw-r--r-- | machine/mtrap.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/machine/minit.c b/machine/minit.c index 95ddaa1..55f50cb 100644 --- a/machine/minit.c +++ b/machine/minit.c @@ -17,6 +17,7 @@ uintptr_t mem_size; volatile uint64_t* mtime; volatile uint32_t* plic_priorities; +uint64_t misa_image; size_t plic_ndevs; void* kernel_start; void* kernel_end; @@ -126,6 +127,7 @@ static void memory_init() static void hart_init() { + misa_image = read_csr(misa); mstatus_init(); fp_init(); #ifndef BBL_BOOT_MACHINE diff --git a/machine/mtrap.h b/machine/mtrap.h index 2f2e499..41071f3 100644 --- a/machine/mtrap.h +++ b/machine/mtrap.h @@ -35,6 +35,7 @@ extern uintptr_t mem_size; extern volatile uint64_t* mtime; extern volatile uint32_t* plic_priorities; extern size_t plic_ndevs; +extern uint64_t misa_image; typedef struct { volatile uint32_t* ipi; |