| /* |
| * Copyright (c) 2013, 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. |
| */ |
| |
| #ifndef __RUNTIME_SVC_H__ |
| #define __RUNTIME_SVC_H__ |
| #include <psci.h> |
| #include <bl_common.h> |
| |
| /******************************************************************************* |
| * Bit definitions inside the function id as per the SMC calling convention |
| ******************************************************************************/ |
| #define FUNCID_TYPE_SHIFT 31 |
| #define FUNCID_CC_SHIFT 30 |
| #define FUNCID_OWNER_SHIFT 24 |
| #define FUNCID_NUM_SHIFT 0 |
| |
| #define FUNCID_TYPE_MASK 0x1 |
| #define FUNCID_CC_MASK 0x1 |
| #define FUNCID_OWNER_MASK 0x3f |
| #define FUNCID_NUM_MASK 0xffff |
| |
| #define GET_SMC_CC(id) ((id >> FUNCID_CC_SHIFT) & \ |
| FUNCID_CC_MASK) |
| |
| #define SMC_64 1 |
| #define SMC_32 0 |
| #define SMC_UNK 0xffffffff |
| |
| /******************************************************************************* |
| * Constants to indicate type of exception to the common exception handler. |
| ******************************************************************************/ |
| #define SYNC_EXCEPTION_SP_EL0 0x0 |
| #define IRQ_SP_EL0 0x1 |
| #define FIQ_SP_EL0 0x2 |
| #define SERROR_SP_EL0 0x3 |
| #define SYNC_EXCEPTION_SP_ELX 0x4 |
| #define IRQ_SP_ELX 0x5 |
| #define FIQ_SP_ELX 0x6 |
| #define SERROR_SP_ELX 0x7 |
| #define SYNC_EXCEPTION_AARCH64 0x8 |
| #define IRQ_AARCH64 0x9 |
| #define FIQ_AARCH64 0xa |
| #define SERROR_AARCH64 0xb |
| #define SYNC_EXCEPTION_AARCH32 0xc |
| #define IRQ_AARCH32 0xd |
| #define FIQ_AARCH32 0xe |
| #define SERROR_AARCH32 0xf |
| |
| /******************************************************************************* |
| * Constants that allow assembler code to access members of the 'gp_regs' |
| * structure at their correct offsets. |
| ******************************************************************************/ |
| #define SIZEOF_GPREGS 0x110 |
| #define GPREGS_X0_OFF 0x0 |
| #define GPREGS_X1_OFF 0x8 |
| #define GPREGS_X2_OFF 0x10 |
| #define GPREGS_X3_OFF 0x18 |
| #define GPREGS_X4_OFF 0x20 |
| #define GPREGS_X5_OFF 0x28 |
| #define GPREGS_X6_OFF 0x30 |
| #define GPREGS_X7_OFF 0x38 |
| #define GPREGS_X8_OFF 0x40 |
| #define GPREGS_X9_OFF 0x48 |
| #define GPREGS_X10_OFF 0x50 |
| #define GPREGS_X11_OFF 0x58 |
| #define GPREGS_X12_OFF 0x60 |
| #define GPREGS_X13_OFF 0x68 |
| #define GPREGS_X14_OFF 0x70 |
| #define GPREGS_X15_OFF 0x78 |
| #define GPREGS_X16_OFF 0x80 |
| #define GPREGS_X17_OFF 0x88 |
| #define GPREGS_X18_OFF 0x90 |
| #define GPREGS_X19_OFF 0x98 |
| #define GPREGS_X20_OFF 0xA0 |
| #define GPREGS_X21_OFF 0xA8 |
| #define GPREGS_X22_OFF 0xB0 |
| #define GPREGS_X23_OFF 0xB8 |
| #define GPREGS_X24_OFF 0xC0 |
| #define GPREGS_X25_OFF 0xC8 |
| #define GPREGS_X26_OFF 0xD0 |
| #define GPREGS_X27_OFF 0xD8 |
| #define GPREGS_X28_OFF 0xE0 |
| #define GPREGS_SP_EL0_OFF 0xE8 |
| #define GPREGS_SPSR_OFF 0xF0 |
| #define GPREGS_FP_OFF 0x100 |
| #define GPREGS_LR_OFF 0x108 |
| |
| #ifndef __ASSEMBLY__ |
| |
| typedef struct { |
| unsigned long x0; |
| unsigned long x1; |
| unsigned long x2; |
| unsigned long x3; |
| unsigned long x4; |
| unsigned long x5; |
| unsigned long x6; |
| unsigned long x7; |
| unsigned long x8; |
| unsigned long x9; |
| unsigned long x10; |
| unsigned long x11; |
| unsigned long x12; |
| unsigned long x13; |
| unsigned long x14; |
| unsigned long x15; |
| unsigned long x16; |
| unsigned long x17; |
| unsigned long x18; |
| unsigned long x19; |
| unsigned long x20; |
| unsigned long x21; |
| unsigned long x22; |
| unsigned long x23; |
| unsigned long x24; |
| unsigned long x25; |
| unsigned long x26; |
| unsigned long x27; |
| unsigned long x28; |
| unsigned long sp_el0; |
| unsigned long spsr; |
| /* |
| * Alignment constraint which allows save & restore of fp & lr on the |
| * stack during exception handling |
| */ |
| unsigned long fp __attribute__((__aligned__(16))); |
| unsigned long lr; |
| } __attribute__((__aligned__(16))) gp_regs; |
| |
| /******************************************************************************* |
| * Compile time assertions to ensure that: |
| * 1) the assembler code's view of the size of the 'gp_regs' data structure is |
| * the same as the actual size of this data structure. |
| * 2) the assembler code's view of the offset of the frame pointer member of |
| * the 'gp_regs' structure is the same as the actual offset of this member. |
| ******************************************************************************/ |
| CASSERT((sizeof(gp_regs) == SIZEOF_GPREGS), assert_sizeof_gpregs_mismatch); |
| CASSERT(GPREGS_FP_OFF == __builtin_offsetof(gp_regs, fp), \ |
| assert_gpregs_fp_offset_mismatch); |
| |
| /******************************************************************************* |
| * Function & variable prototypes |
| ******************************************************************************/ |
| extern void runtime_svc_init(unsigned long mpidr); |
| |
| #endif /*__ASSEMBLY__*/ |
| #endif /* __RUNTIME_SVC_H__ */ |