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Diffstat (limited to 'plat/fvp/include/plat_macros.S')
| -rw-r--r-- | plat/fvp/include/plat_macros.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/plat/fvp/include/plat_macros.S b/plat/fvp/include/plat_macros.S new file mode 100644 index 0000000..bdd402d --- /dev/null +++ b/plat/fvp/include/plat_macros.S @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <gic_v2.h> +#include "../fvp_def.h" + +.section .rodata.gic_reg_name, "aS" +gic_regs: .asciz "gic_iar", "gic_ctlr", "" + +/* Currently we have only 2 GIC registers to report */ +#define GIC_REG_SIZE (2 * 8) + /* --------------------------------------------- + * The below macro prints out relevant GIC + * registers whenever an unhandled exception is + * taken in BL31. + * --------------------------------------------- + */ + .macro plat_print_gic_regs + mov x0, #CONFIG_GICC_ADDR + bl fvp_get_cfgvar + /* gic base address is now in x0 */ + ldr w1, [x0, #GICC_IAR] + ldr w2, [x0, #GICD_CTLR] + sub sp, sp, #GIC_REG_SIZE + stp x1, x2, [sp] /* we store the gic registers as 64 bit */ + adr x0, gic_regs + mov x1, sp + bl print_string_value + add sp, sp, #GIC_REG_SIZE + .endm |