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authorAtish Patra <atish.patra@wdc.com>2020-02-12 04:32:39 +0300
committerAnup Patel <anup@brainfault.org>2020-02-24 15:43:23 +0300
commite3f69fc1e934ce7815d9cde2d13dd2038a2894a6 (patch)
tree12a3d9846f29bcda30c622efa2368d70d51752f3 /lib/sbi/sbi_ecall.c
parent5b4824082ff8826f77d6bc670e16068d0744ff7f (diff)
downloadopensbi-e3f69fc1e934ce7815d9cde2d13dd2038a2894a6.tar.xz
lib: Implement Hart State Management (HSM) SBI extension
This patch adds support HSM extension. The specification is available at https://github.com/riscv/riscv-sbi-doc. It allows to implement hart hotplug and fixed ordered hart booting in supervisor. Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_ecall.c')
-rw-r--r--lib/sbi/sbi_ecall.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sbi/sbi_ecall.c b/lib/sbi/sbi_ecall.c
index 82397c4..2383e4f 100644
--- a/lib/sbi/sbi_ecall.c
+++ b/lib/sbi/sbi_ecall.c
@@ -138,6 +138,9 @@ int sbi_ecall_init(void)
ret = sbi_ecall_register_extension(&ecall_base);
if (ret)
return ret;
+ ret = sbi_ecall_register_extension(&ecall_hsm);
+ if (ret)
+ return ret;
ret = sbi_ecall_register_extension(&ecall_legacy);
if (ret)
return ret;