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riscv: report additional known SBI implementations

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These implementation IDs are defined in the SBI spec, so we should print
their name if detected.

Submitted by:	Danjel Qyteza <danq1222@gmail.com>
Reviewed by:	jhb, kp
Differential Revision:	https://reviews.freebsd.org/D27660
This commit is contained in:
Mitchell Horne 2020-12-18 20:10:30 +00:00
parent fb6d445661
commit 25de8fb6ca
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=368767
2 changed files with 16 additions and 0 deletions
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4
sys/riscv/include/sbi.h
View File

@ -47,6 +47,10 @@
/* SBI Implementation IDs */
#define SBI_IMPL_ID_BBL 0
#define SBI_IMPL_ID_OPENSBI 1
#define SBI_IMPL_ID_XVISOR 2
#define SBI_IMPL_ID_KVM 3
#define SBI_IMPL_ID_RUSTSBI 4
#define SBI_IMPL_ID_DIOSIX 5
/* SBI Error Codes */
#define SBI_SUCCESS 0

12
sys/riscv/riscv/sbi.c
View File

@ -110,6 +110,18 @@ sbi_print_version(void)
case (SBI_IMPL_ID_BBL):
printf("SBI: Berkely Boot Loader %lu\n", sbi_impl_version);
break;
case (SBI_IMPL_ID_XVISOR):
printf("SBI: eXtensible Versatile hypervISOR %lu\n", sbi_impl_version);
break;
case (SBI_IMPL_ID_KVM):
printf("SBI: Kernel-based Virtual Machine %lu\n", sbi_impl_version);
break;
case (SBI_IMPL_ID_RUSTSBI):
printf("SBI: RustSBI %lu\n", sbi_impl_version);
break;
case (SBI_IMPL_ID_DIOSIX):
printf("SBI: Diosix %lu\n", sbi_impl_version);
break;
case (SBI_IMPL_ID_OPENSBI):
major = sbi_impl_version >> OPENSBI_VERSION_MAJOR_OFFSET;
minor = sbi_impl_version & OPENSBI_VERSION_MINOR_MASK;