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| author | Anup Patel <apatel@ventanamicro.com> | 2024-03-11 11:04:50 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2024-03-19 11:31:18 +0530 |
| commit | ebb697ad8cdd5c281a94e7801fc0c1d99d6a891e (patch) | |
| tree | 70642cbb7b6a1356f52ab5e88b0afebc920946d3 /firmware | |
| parent | 2e8517865ab7f25a9ed92a2c1b4f938368fe45f9 (diff) | |
| download | opensbi-ebb697ad8cdd5c281a94e7801fc0c1d99d6a891e.zip opensbi-ebb697ad8cdd5c281a94e7801fc0c1d99d6a891e.tar.gz opensbi-ebb697ad8cdd5c281a94e7801fc0c1d99d6a891e.tar.bz2 | |
lib: sbi: Remove sbi_trap_exit() and related code
Over the years, no uses of sbi_trap_exit() have been found so remove
it and also remove related code from fw_base.S and sbi_scratch.h.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/fw_base.S | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/firmware/fw_base.S b/firmware/fw_base.S index 126b067..c404d8b 100644 --- a/firmware/fw_base.S +++ b/firmware/fw_base.S @@ -298,9 +298,6 @@ _scratch_init: /* Store hartid-to-scratch function address in scratch space */ lla a4, _hartid_to_scratch REG_S a4, SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET(tp) - /* Store trap-exit function address in scratch space */ - lla a4, _trap_exit - REG_S a4, SBI_SCRATCH_TRAP_EXIT_OFFSET(tp) /* Clear tmp0 in scratch space */ REG_S zero, SBI_SCRATCH_TMP0_OFFSET(tp) /* Store firmware options in scratch space */ @@ -453,10 +450,6 @@ _start_warm: srli a5, a5, ('H' - 'A') andi a5, a5, 0x1 beq a5, zero, _skip_trap_handler_rv32_hyp - /* Override trap exit for H-extension */ - csrr a5, CSR_MSCRATCH - lla a4, _trap_exit_rv32_hyp - REG_S a4, SBI_SCRATCH_TRAP_EXIT_OFFSET(a5) lla a4, _trap_handler_rv32_hyp _skip_trap_handler_rv32_hyp: #endif @@ -695,7 +688,6 @@ memcmp: .section .entry, "ax", %progbits .align 3 .globl _trap_handler - .globl _trap_exit _trap_handler: TRAP_SAVE_AND_SETUP_SP_T0 @@ -705,7 +697,6 @@ _trap_handler: TRAP_CALL_C_ROUTINE -_trap_exit: TRAP_RESTORE_GENERAL_REGS_EXCEPT_A0_T0 TRAP_RESTORE_MEPC_MSTATUS 0 @@ -718,7 +709,6 @@ _trap_exit: .section .entry, "ax", %progbits .align 3 .globl _trap_handler_rv32_hyp - .globl _trap_exit_rv32_hyp _trap_handler_rv32_hyp: TRAP_SAVE_AND_SETUP_SP_T0 @@ -728,7 +718,6 @@ _trap_handler_rv32_hyp: TRAP_CALL_C_ROUTINE -_trap_exit_rv32_hyp: TRAP_RESTORE_GENERAL_REGS_EXCEPT_A0_T0 TRAP_RESTORE_MEPC_MSTATUS 1 |