Files
opensbi/lib/sbi/objects.mk
Anup Patel 1de66d170e lib: Optimize unpriv load/store implementation
This patch optimize unpriv load/store implementation by having
dedicated unpriv trap handler (just like KVM RISC-V).

As a result of this optimization:
1. We have reduced roughly 13+ instruction in all unpriv load/store
   functions. The reduced instruction also include two function calls.
2. Per-HART trap info pointer in scratch space is now redundant
   hence removed.
3. The sbi_trap_handler() is now much cleaner because we don't have
   to handle unpriv load/store traps.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
2020-03-28 13:31:53 +05:30

41 lines
1.1 KiB
Makefile

#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2019 Western Digital Corporation or its affiliates.
#
# Authors:
# Anup Patel <anup.patel@wdc.com>
#
libsbi-objs-y += riscv_asm.o
libsbi-objs-y += riscv_atomic.o
libsbi-objs-y += riscv_hardfp.o
libsbi-objs-y += riscv_locks.o
libsbi-objs-y += sbi_bitmap.o
libsbi-objs-y += sbi_bitops.o
libsbi-objs-y += sbi_console.o
libsbi-objs-y += sbi_ecall.o
libsbi-objs-y += sbi_ecall_base.o
libsbi-objs-y += sbi_ecall_hsm.o
libsbi-objs-y += sbi_ecall_legacy.o
libsbi-objs-y += sbi_ecall_replace.o
libsbi-objs-y += sbi_ecall_vendor.o
libsbi-objs-y += sbi_emulate_csr.o
libsbi-objs-y += sbi_fifo.o
libsbi-objs-y += sbi_hart.o
libsbi-objs-y += sbi_hfence.o
libsbi-objs-y += sbi_hsm.o
libsbi-objs-y += sbi_illegal_insn.o
libsbi-objs-y += sbi_init.o
libsbi-objs-y += sbi_ipi.o
libsbi-objs-y += sbi_misaligned_ldst.o
libsbi-objs-y += sbi_scratch.o
libsbi-objs-y += sbi_string.o
libsbi-objs-y += sbi_system.o
libsbi-objs-y += sbi_timer.o
libsbi-objs-y += sbi_tlb.o
libsbi-objs-y += sbi_trap.o
libsbi-objs-y += sbi_unpriv.o
libsbi-objs-y += sbi_unpriv_trap.o