riscv/kernel/sbi.c

1 // SPDX-License-Identifier: GPL-2.0-only
34 	 * There is no maximum hartid concept in RISC-V and NR_CPUS must not be  in __sbi_v01_cpumask_to_hartmask()
53  * sbi_console_putchar() - Writes given character to the console device.
65  * sbi_console_getchar() - Reads a byte from console device.
80  * sbi_shutdown() - Remove all the harts from executing supervisor code.
91  * __sbi_set_timer_v01() - Program the timer for next timer event.
143 		result = -EINVAL;  in __sbi_rfence_v01()
245 		result = -EINVAL;  in __sbi_rfence_v02_call()
279 				hmask <<= hbase - hartid;  in __sbi_rfence_v02()
289 		hmask |= BIT(hartid - hbase);  in __sbi_rfence_v02()
303  * sbi_set_timer() - Program the timer for next timer event.
314  * sbi_send_ipi() - Send an IPI to any hart.
324  * sbi_remote_fence_i() - Execute FENCE.I instruction on given remote harts.
337  * sbi_remote_sfence_vma_asid() - Execute SFENCE.VMA instructions on given
363  * sbi_remote_hfence_gvma() - Execute HFENCE.GVMA instructions on given remote
381  * sbi_remote_hfence_gvma_vmid() - Execute HFENCE.GVMA instructions on given
402  * sbi_remote_hfence_vvma() - Execute HFENCE.VVMA instructions on given remote
420  * sbi_remote_hfence_vvma_asid() - Execute HFENCE.VVMA instructions on given
468  * sbi_probe_extension() - Check if an SBI extension ID is supported or not.
527 		return -EOPNOTSUPP;  in sbi_debug_console_write()
535 		num_bytes = PAGE_SIZE - offset_in_page(bytes);  in sbi_debug_console_write()
546 		return -EIO;  in sbi_debug_console_write()
556 		return -EOPNOTSUPP;  in sbi_debug_console_read()
564 		num_bytes = PAGE_SIZE - offset_in_page(bytes);  in sbi_debug_console_read()
575 		return -EIO;  in sbi_debug_console_read()
612 		if ((sbi_spec_version >= sbi_mk_version(0, 3)) &&  in sbi_init()