diff options
Diffstat (limited to 'commands/smc.c')
| -rw-r--r-- | commands/smc.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/commands/smc.c b/commands/smc.c index 84102f3249..3143065582 100644 --- a/commands/smc.c +++ b/commands/smc.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-only #include <common.h> #include <command.h> @@ -9,14 +9,15 @@ #include <asm/psci.h> #include <asm/secure.h> +#include <asm/barebox-arm.h> #include <linux/arm-smccc.h> -#define STACK_SIZE 100 +#define HANDSHAKE_STACK_SIZE 100 #define HANDSHAKE_MAGIC 0xBA12EB0C #define ERROR_MAGIC 0xDEADBEEF struct cpu_context { - unsigned long stack[STACK_SIZE]; + unsigned long stack[HANDSHAKE_STACK_SIZE]; long handshake; }; @@ -35,12 +36,12 @@ static void noinline cpu_handshake(long *handshake) ; } -static void __naked second_entry(unsigned long arg0) +static void NAKED second_entry(unsigned long arg0) { struct cpu_context *context = (void*)arg0; arm_cpu_lowlevel_init(); - arm_setup_stack((unsigned long)&context->stack[STACK_SIZE]); + arm_setup_stack((unsigned long)&context->stack[HANDSHAKE_STACK_SIZE]); barrier(); cpu_handshake(&context->handshake); @@ -110,6 +111,11 @@ static int do_smc(int argc, char *argv[]) printf("found psci version %ld.%ld\n", res.a0 >> 16, res.a0 & 0xffff); break; case 'c': + if (IS_ENABLED(CONFIG_CPU_64)) { + printf("CPU bootstrap test not supported for ARMv8\n"); + return COMMAND_ERROR; + } + if (!context) context = dma_alloc_coherent(sizeof(*context), DMA_ADDRESS_BROKEN); |