cpu/armv8/fwcall.c

1 // SPDX-License-Identifier: GPL-2.0+
8 #include <asm-offsets.h>
12 #include <asm/psci.h>
25 		"ldr x1, %1\n"  in hvc_call()
34 		"str x1, %1\n"  in hvc_call()
37 		: "+m" (args->regs[0]), "+m" (args->regs[1]),  in hvc_call()
38 		  "+m" (args->regs[2]), "+m" (args->regs[3])  in hvc_call()
39 		: "m" (args->regs[4]), "m" (args->regs[5]),  in hvc_call()
40 		  "m" (args->regs[6]), "m" (args->regs[7])  in hvc_call()
59 		"ldr x1, %1\n"  in smc_call()
67 		"str x1, %1\n"  in smc_call()
70 		: "+m" (args->regs[0]), "+m" (args->regs[1]),  in smc_call()
71 		  "+m" (args->regs[2]), "+m" (args->regs[3])  in smc_call()
72 		: "m" (args->regs[4]), "m" (args->regs[5]),  in smc_call()
73 		  "m" (args->regs[6])  in smc_call()
81  * trigger PSCI calls to EL3 using SMC. If anyone ever wants to
82  * use PSCI on U-Boot running below a hypervisor, please detect
98 	while (1)  in psci_system_reset()
113 	while (1)  in psci_system_off()