diff options
| -rw-r--r-- | plat/nvidia/tegra/common/aarch64/tegra_helpers.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/plat/nvidia/tegra/common/aarch64/tegra_helpers.S b/plat/nvidia/tegra/common/aarch64/tegra_helpers.S index 0474cc1a..b2fc9a75 100644 --- a/plat/nvidia/tegra/common/aarch64/tegra_helpers.S +++ b/plat/nvidia/tegra/common/aarch64/tegra_helpers.S @@ -180,6 +180,20 @@ func plat_get_my_entrypoint endfunc plat_get_my_entrypoint /* ----------------------------------------------------- + * int platform_get_core_pos(int mpidr); + * + * With this function: CorePos = (ClusterId * 4) + + * CoreId + * ----------------------------------------------------- + */ +func platform_get_core_pos + and x1, x0, #MPIDR_CPU_MASK + and x0, x0, #MPIDR_CLUSTER_MASK + add x0, x1, x0, LSR #6 + ret +endfunc platform_get_core_pos + + /* ----------------------------------------------------- * void plat_secondary_cold_boot_setup (void); * * This function performs any platform specific actions |