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d998735179
add support for x0-x17 registers used by the SMC calls In SMCCC v1.2 [1] arguments are passed in registers x1-x17. Results are returned in x0-x17. This work is inspired from the following kernel commit: arm64: smccc: Add support for SMCCCv1.2 extended input/output registers [1]: https://documentation-service.arm.com/static/5f8edaeff86e16515cdbe4c6?token= Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com>
113 lines
4.6 KiB
C
113 lines
4.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
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*
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* This program is used to generate definitions needed by
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* assembly language modules.
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*
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* We use the technique used in the OSF Mach kernel code:
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* generate asm statements containing #defines,
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* compile this file to assembler, and then extract the
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* #defines from the assembly-language output.
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*
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* Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
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*
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* Authors:
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* Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
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*/
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#include <common.h>
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#include <linux/kbuild.h>
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#include <linux/arm-smccc.h>
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#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
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#include <asm/arch/imx-regs.h>
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#endif
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int main(void)
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{
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/*
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* TODO : Check if each entry in this file is really necessary.
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* - struct esdramc_regs
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* - struct max_regs
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* - struct aips_regs
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* - struct aipi_regs
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* - struct clkctl
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* - struct dpll
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* are used only for generating asm-offsets.h.
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* It means their offset addresses are referenced only from assembly
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* code. Is it better to define the macros directly in headers?
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*/
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#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
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/* Round up to make sure size gives nice stack alignment */
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DEFINE(CLKCTL_CCMR, offsetof(struct clkctl, ccr));
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DEFINE(CLKCTL_CCDR, offsetof(struct clkctl, ccdr));
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DEFINE(CLKCTL_CSR, offsetof(struct clkctl, csr));
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DEFINE(CLKCTL_CCSR, offsetof(struct clkctl, ccsr));
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DEFINE(CLKCTL_CACRR, offsetof(struct clkctl, cacrr));
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DEFINE(CLKCTL_CBCDR, offsetof(struct clkctl, cbcdr));
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DEFINE(CLKCTL_CBCMR, offsetof(struct clkctl, cbcmr));
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DEFINE(CLKCTL_CSCMR1, offsetof(struct clkctl, cscmr1));
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DEFINE(CLKCTL_CSCMR2, offsetof(struct clkctl, cscmr2));
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DEFINE(CLKCTL_CSCDR1, offsetof(struct clkctl, cscdr1));
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DEFINE(CLKCTL_CS1CDR, offsetof(struct clkctl, cs1cdr));
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DEFINE(CLKCTL_CS2CDR, offsetof(struct clkctl, cs2cdr));
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DEFINE(CLKCTL_CDCDR, offsetof(struct clkctl, cdcdr));
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DEFINE(CLKCTL_CHSCCDR, offsetof(struct clkctl, chsccdr));
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DEFINE(CLKCTL_CSCDR2, offsetof(struct clkctl, cscdr2));
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DEFINE(CLKCTL_CSCDR3, offsetof(struct clkctl, cscdr3));
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DEFINE(CLKCTL_CSCDR4, offsetof(struct clkctl, cscdr4));
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DEFINE(CLKCTL_CWDR, offsetof(struct clkctl, cwdr));
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DEFINE(CLKCTL_CDHIPR, offsetof(struct clkctl, cdhipr));
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DEFINE(CLKCTL_CDCR, offsetof(struct clkctl, cdcr));
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DEFINE(CLKCTL_CTOR, offsetof(struct clkctl, ctor));
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DEFINE(CLKCTL_CLPCR, offsetof(struct clkctl, clpcr));
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DEFINE(CLKCTL_CISR, offsetof(struct clkctl, cisr));
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DEFINE(CLKCTL_CIMR, offsetof(struct clkctl, cimr));
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DEFINE(CLKCTL_CCOSR, offsetof(struct clkctl, ccosr));
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DEFINE(CLKCTL_CGPR, offsetof(struct clkctl, cgpr));
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DEFINE(CLKCTL_CCGR0, offsetof(struct clkctl, ccgr0));
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DEFINE(CLKCTL_CCGR1, offsetof(struct clkctl, ccgr1));
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DEFINE(CLKCTL_CCGR2, offsetof(struct clkctl, ccgr2));
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DEFINE(CLKCTL_CCGR3, offsetof(struct clkctl, ccgr3));
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DEFINE(CLKCTL_CCGR4, offsetof(struct clkctl, ccgr4));
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DEFINE(CLKCTL_CCGR5, offsetof(struct clkctl, ccgr5));
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DEFINE(CLKCTL_CCGR6, offsetof(struct clkctl, ccgr6));
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DEFINE(CLKCTL_CMEOR, offsetof(struct clkctl, cmeor));
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#if defined(CONFIG_MX53)
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DEFINE(CLKCTL_CCGR7, offsetof(struct clkctl, ccgr7));
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#endif
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/* DPLL */
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DEFINE(PLL_DP_CTL, offsetof(struct dpll, dp_ctl));
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DEFINE(PLL_DP_CONFIG, offsetof(struct dpll, dp_config));
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DEFINE(PLL_DP_OP, offsetof(struct dpll, dp_op));
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DEFINE(PLL_DP_MFD, offsetof(struct dpll, dp_mfd));
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DEFINE(PLL_DP_MFN, offsetof(struct dpll, dp_mfn));
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DEFINE(PLL_DP_HFS_OP, offsetof(struct dpll, dp_hfs_op));
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DEFINE(PLL_DP_HFS_MFD, offsetof(struct dpll, dp_hfs_mfd));
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DEFINE(PLL_DP_HFS_MFN, offsetof(struct dpll, dp_hfs_mfn));
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#endif
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#ifdef CONFIG_ARM_SMCCC
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DEFINE(ARM_SMCCC_RES_X0_OFFS, offsetof(struct arm_smccc_res, a0));
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DEFINE(ARM_SMCCC_RES_X2_OFFS, offsetof(struct arm_smccc_res, a2));
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DEFINE(ARM_SMCCC_QUIRK_ID_OFFS, offsetof(struct arm_smccc_quirk, id));
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DEFINE(ARM_SMCCC_QUIRK_STATE_OFFS, offsetof(struct arm_smccc_quirk, state));
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#ifdef CONFIG_ARM64
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DEFINE(ARM_SMCCC_1_2_REGS_X0_OFFS, offsetof(struct arm_smccc_1_2_regs, a0));
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DEFINE(ARM_SMCCC_1_2_REGS_X2_OFFS, offsetof(struct arm_smccc_1_2_regs, a2));
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DEFINE(ARM_SMCCC_1_2_REGS_X4_OFFS, offsetof(struct arm_smccc_1_2_regs, a4));
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DEFINE(ARM_SMCCC_1_2_REGS_X6_OFFS, offsetof(struct arm_smccc_1_2_regs, a6));
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DEFINE(ARM_SMCCC_1_2_REGS_X8_OFFS, offsetof(struct arm_smccc_1_2_regs, a8));
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DEFINE(ARM_SMCCC_1_2_REGS_X10_OFFS, offsetof(struct arm_smccc_1_2_regs, a10));
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DEFINE(ARM_SMCCC_1_2_REGS_X12_OFFS, offsetof(struct arm_smccc_1_2_regs, a12));
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DEFINE(ARM_SMCCC_1_2_REGS_X14_OFFS, offsetof(struct arm_smccc_1_2_regs, a14));
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DEFINE(ARM_SMCCC_1_2_REGS_X16_OFFS, offsetof(struct arm_smccc_1_2_regs, a16));
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#endif
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#endif
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return 0;
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}
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