diff options
Diffstat (limited to 'arch/arm/lib32/armlinux.c')
| -rw-r--r-- | arch/arm/lib32/armlinux.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm/lib32/armlinux.c b/arch/arm/lib32/armlinux.c index 6c7bd101c2..2520fe210c 100644 --- a/arch/arm/lib32/armlinux.c +++ b/arch/arm/lib32/armlinux.c @@ -38,6 +38,7 @@ #include <asm/barebox-arm.h> #include <asm/armlinux.h> #include <asm/system.h> +#include <asm/secure.h> static struct tag *params; static void *armlinux_bootparams = NULL; @@ -258,11 +259,19 @@ static void setup_tags(unsigned long initrd_address, } void start_linux(void *adr, int swap, unsigned long initrd_address, - unsigned long initrd_size, void *oftree) + unsigned long initrd_size, void *oftree, + enum arm_security_state state) { void (*kernel)(int zero, int arch, void *params) = adr; void *params = NULL; int architecture; + int ret; + + if (IS_ENABLED(CONFIG_ARM_SECURE_MONITOR) && state > ARM_STATE_SECURE) { + ret = armv7_secure_monitor_install(); + if (ret) + pr_err("Failed to install secure monitor\n"); + } if (oftree) { pr_debug("booting kernel with devicetree\n"); @@ -274,6 +283,10 @@ void start_linux(void *adr, int swap, unsigned long initrd_address, architecture = armlinux_get_architecture(); shutdown_barebox(); + + if (IS_ENABLED(CONFIG_ARM_SECURE_MONITOR) && state == ARM_STATE_HYP) + armv7_switch_to_hyp(); + if (swap) { u32 reg; __asm__ __volatile__("mrc p15, 0, %0, c1, c0" : "=r" (reg)); |