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riscv: Use global mimpid in identify_cpu()

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sbi_init() sets mimpid, we can use that value.

Reviewed by: philip (mentor), kp (mentor)
Approved by: philip (mentor), kp (mentor)
Sponsored by: Axiado
Differential Revision: https://reviews.freebsd.org/D26092
This commit is contained in:
Nick O'Brien 2020-08-18 16:51:04 +00:00
parent f1f3f7cf0b
commit bdc3ee3546
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=364349
1 changed files with 1 additions and 3 deletions
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4
sys/riscv/riscv/identcpu.c
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@ -186,15 +186,13 @@ identify_cpu(void)
const struct cpu_parts *cpu_partsp;
uint32_t part_id;
uint32_t impl_id;
uint64_t mimpid;
uint64_t misa;
u_int cpu;
size_t i;
cpu_partsp = NULL;
/* TODO: can we get mimpid and misa somewhere ? */
mimpid = 0;
/* TODO: can we get misa somewhere ? */
misa = 0;
cpu = PCPU_GET(cpuid);