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-rw-r--r--hw/arm-misc.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/hw/arm-misc.h b/hw/arm-misc.h
index 6e8ae6b02e..5e5204bbf5 100644
--- a/hw/arm-misc.h
+++ b/hw/arm-misc.h
@@ -30,12 +30,29 @@ struct arm_boot_info {
const char *kernel_cmdline;
const char *initrd_filename;
target_phys_addr_t loader_start;
+ /* multicore boards that use the default secondary core boot functions
+ * need to put the address of the secondary boot code, the boot reg,
+ * and the GIC address in the next 3 values, respectively. boards that
+ * have their own boot functions can use these values as they want.
+ */
target_phys_addr_t smp_loader_start;
target_phys_addr_t smp_bootreg_addr;
target_phys_addr_t smp_priv_base;
int nb_cpus;
int board_id;
int (*atag_board)(const struct arm_boot_info *info, void *p);
+ /* multicore boards that use the default secondary core boot functions
+ * can ignore these two function calls. If the default functions won't
+ * work, then write_secondary_boot() should write a suitable blob of
+ * code mimicing the secondary CPU startup process used by the board's
+ * boot loader/boot ROM code, and secondary_cpu_reset_hook() should
+ * perform any necessary CPU reset handling and set the PC for thei
+ * secondary CPUs to point at this boot blob.
+ */
+ void (*write_secondary_boot)(CPUState *env,
+ const struct arm_boot_info *info);
+ void (*secondary_cpu_reset_hook)(CPUState *env,
+ const struct arm_boot_info *info);
/* Used internally by arm_boot.c */
int is_linux;
target_phys_addr_t initrd_size;