X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Flib%2Fbootm.c;h=4949d573af8c310f8348beae48caa5ea0f580bf9;hb=0f65f48b6480ea18497675b30e5463dfd0c60cbe;hp=dff10ba3acfc033fd0340d2e9f5b1b12657ac796;hpb=93b7b7fdadbbdcfacffab30a972774fa9ef8afb5;p=u-boot diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index dff10ba3ac..4949d573af 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -20,7 +20,10 @@ #include #include #include +#include #include +#include +#include #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) #include @@ -71,8 +74,7 @@ static void announce_and_cleanup(int fake) "(fake run for tracing)" : ""); bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); #ifdef CONFIG_BOOTSTAGE_FDT - if (flag == BOOTM_STATE_OS_FAKE_GO) - bootstage_fdt_add_report(); + bootstage_fdt_add_report(); #endif #ifdef CONFIG_BOOTSTAGE_REPORT bootstage_report(); @@ -185,18 +187,17 @@ static void setup_end_tag(bd_t *bd) __weak void setup_board_tags(struct tag **in_params) {} +#ifdef CONFIG_ARM64 static void do_nonsec_virt_switch(void) { -#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) - if (armv7_switch_nonsec() == 0) -#ifdef CONFIG_ARMV7_VIRT - if (armv7_switch_hyp() == 0) - debug("entered HYP mode\n"); -#else - debug("entered non-secure state\n"); -#endif + smp_kick_all_cpus(); + flush_dcache_all(); /* flush cache before swtiching to EL2 */ + armv8_switch_to_el2(); +#ifdef CONFIG_ARMV8_SWITCH_TO_EL1 + armv8_switch_to_el1(); #endif } +#endif /* Subcommand: PREP */ static void boot_prep_linux(bootm_headers_t *images) @@ -234,12 +235,30 @@ static void boot_prep_linux(bootm_headers_t *images) printf("FDT and ATAGS support not compiled in - hanging\n"); hang(); } - do_nonsec_virt_switch(); } /* Subcommand: GO */ static void boot_jump_linux(bootm_headers_t *images, int flag) { +#ifdef CONFIG_ARM64 + void (*kernel_entry)(void *fdt_addr, void *res0, void *res1, + void *res2); + int fake = (flag & BOOTM_STATE_OS_FAKE_GO); + + kernel_entry = (void (*)(void *fdt_addr, void *res0, void *res1, + void *res2))images->ep; + + debug("## Transferring control to Linux (at address %lx)...\n", + (ulong) kernel_entry); + bootstage_mark(BOOTSTAGE_ID_RUN_OS); + + announce_and_cleanup(fake); + + if (!fake) { + do_nonsec_virt_switch(); + kernel_entry(images->ft_addr, NULL, NULL, NULL); + } +#else unsigned long machid = gd->bd->bi_arch_number; char *s; void (*kernel_entry)(int zero, int arch, uint params); @@ -264,8 +283,16 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) else r2 = gd->bd->bi_boot_params; - if (!fake) + if (!fake) { +#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) + armv7_init_nonsec(); + secure_ram_addr(_do_nonsec_entry)(kernel_entry, + 0, machid, r2); +#else kernel_entry(0, machid, r2); +#endif + } +#endif } /* Main Entry point for arm bootm implementation @@ -274,7 +301,8 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) * DIFFERENCE: Instead of calling prep and go at the end * they are called if subcommand is equal 0. */ -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +int do_bootm_linux(int flag, int argc, char * const argv[], + bootm_headers_t *images) { /* No need for those on ARM */ if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE) @@ -336,7 +364,7 @@ void boot_prep_vxworks(bootm_headers_t *images) if (images->ft_addr) { off = fdt_path_offset(images->ft_addr, "/memory"); if (off < 0) { - if (arch_fixup_memory_node(images->ft_addr)) + if (arch_fixup_fdt(images->ft_addr)) puts("## WARNING: fixup memory failed!\n"); } }