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				https://github.com/riscv-software-src/opensbi
				synced 2025-11-03 21:48:45 +00:00 
			
		
		
		
	Add boot-time prints for list of available standard and experimental SBI extensions. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
		
			
				
	
	
		
			45 lines
		
	
	
		
			1006 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1006 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * SPDX-License-Identifier: BSD-2-Clause
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 *
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 * Copyright (c) 2020 Western Digital Corporation or its affiliates.
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 *
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 * Authors:
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 *   Anup Patel <anup.patel@wdc.com>
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 *   Atish Patra <atish.patra@wdc.com>
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 */
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#include <sbi/sbi_error.h>
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#include <sbi/sbi_ecall.h>
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#include <sbi/sbi_ecall_interface.h>
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#include <sbi/sbi_trap.h>
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#include <sbi/sbi_ipi.h>
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static int sbi_ecall_ipi_handler(unsigned long extid, unsigned long funcid,
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				 struct sbi_trap_regs *regs,
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				 struct sbi_ecall_return *out)
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{
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	int ret = 0;
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	if (funcid == SBI_EXT_IPI_SEND_IPI)
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		ret = sbi_ipi_send_smode(regs->a0, regs->a1);
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	else
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		ret = SBI_ENOTSUPP;
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	return ret;
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}
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struct sbi_ecall_extension ecall_ipi;
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static int sbi_ecall_ipi_register_extensions(void)
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{
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	return sbi_ecall_register_extension(&ecall_ipi);
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}
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struct sbi_ecall_extension ecall_ipi = {
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	.name			= "ipi",
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	.extid_start		= SBI_EXT_IPI,
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	.extid_end		= SBI_EXT_IPI,
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	.register_extensions	= sbi_ecall_ipi_register_extensions,
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	.handle			= sbi_ecall_ipi_handler,
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};
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