diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-01-17 19:12:52 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-01-22 12:13:44 +0530 |
| commit | 43ac621ecba8d472a5e697527143f9d3317df3e1 (patch) | |
| tree | 1100619a411f0c0069f56ec423cdef38ce17edea /lib/sbi/sbi_ecall_vendor.c | |
| parent | 161b348e7e8ae3f78e8523e67796d277288e3f7c (diff) | |
lib: Factor-out SBI vendor extension
This patch factor-out SBI vendor extension into its own source
for better modularity of SBI implementation.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_ecall_vendor.c')
| -rw-r--r-- | lib/sbi/sbi_ecall_vendor.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/sbi/sbi_ecall_vendor.c b/lib/sbi/sbi_ecall_vendor.c new file mode 100644 index 0000000..70d0446 --- /dev/null +++ b/lib/sbi/sbi_ecall_vendor.c @@ -0,0 +1,40 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020 Western Digital Corporation or its affiliates. + * + * Authors: + * Anup Patel <anup.patel@wdc.com> + * Atish Patra <atish.patra@wdc.com> + */ + +#include <sbi/sbi_ecall.h> +#include <sbi/sbi_ecall_interface.h> +#include <sbi/sbi_error.h> +#include <sbi/sbi_platform.h> + +static int sbi_ecall_vendor_probe(struct sbi_scratch *scratch, + unsigned long extid, + unsigned long *out_val) +{ + *out_val = sbi_platform_vendor_ext_check(sbi_platform_ptr(scratch), + extid); + return 0; +} + +static int sbi_ecall_vendor_handler(struct sbi_scratch *scratch, + unsigned long extid, unsigned long funcid, + unsigned long *args, unsigned long *out_val, + struct sbi_trap_info *out_trap) +{ + return sbi_platform_vendor_ext_provider(sbi_platform_ptr(scratch), + extid, funcid, args, + out_val, out_trap); +} + +struct sbi_ecall_extension ecall_vendor = { + .extid_start = SBI_EXT_VENDOR_START, + .extid_end = SBI_EXT_VENDOR_END, + .probe = sbi_ecall_vendor_probe, + .handle = sbi_ecall_vendor_handler, +}; |