upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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269 lines
5.4 KiB
269 lines
5.4 KiB
/*
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* U-boot - ptrace.h
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*
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* Copyright (c) 2005-2007 Analog Devices Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef _BLACKFIN_PTRACE_H
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#define _BLACKFIN_PTRACE_H
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#define NEW_PT_REGS
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/*
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* GCC defines register number like this:
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* -----------------------------
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* 0 - 7 are data registers R0-R7
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* 8 - 15 are address registers P0-P7
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* 16 - 31 dsp registers I/B/L0 -- I/B/L3 & M0--M3
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* 32 - 33 A registers A0 & A1
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* 34 - status register
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*
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* We follows above, except:
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* 32-33 --- Low 32-bit of A0&1
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* 34-35 --- High 8-bit of A0&1
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*/
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#if defined(NEW_PT_REGS)
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#define PT_IPEND 0
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#define PT_SYSCFG (PT_IPEND+4)
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#define PT_SEQSTAT (PT_SYSCFG+4)
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#define PT_RETE (PT_SEQSTAT+4)
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#define PT_RETN (PT_RETE+4)
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#define PT_RETX (PT_RETN+4)
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#define PT_RETI (PT_RETX+4)
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#define PT_PC PT_RETI
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#define PT_RETS (PT_RETI+4)
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#define PT_RESERVED (PT_RETS+4)
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#define PT_ASTAT (PT_RESERVED+4)
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#define PT_LB1 (PT_ASTAT+4)
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#define PT_LB0 (PT_LB1+4)
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#define PT_LT1 (PT_LB0+4)
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#define PT_LT0 (PT_LT1+4)
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#define PT_LC1 (PT_LT0+4)
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#define PT_LC0 (PT_LC1+4)
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#define PT_A1W (PT_LC0+4)
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#define PT_A1X (PT_A1W+4)
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#define PT_A0W (PT_A1X+4)
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#define PT_A0X (PT_A0W+4)
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#define PT_B3 (PT_A0X+4)
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#define PT_B2 (PT_B3+4)
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#define PT_B1 (PT_B2+4)
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#define PT_B0 (PT_B1+4)
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#define PT_L3 (PT_B0+4)
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#define PT_L2 (PT_L3+4)
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#define PT_L1 (PT_L2+4)
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#define PT_L0 (PT_L1+4)
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#define PT_M3 (PT_L0+4)
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#define PT_M2 (PT_M3+4)
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#define PT_M1 (PT_M2+4)
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#define PT_M0 (PT_M1+4)
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#define PT_I3 (PT_M0+4)
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#define PT_I2 (PT_I3+4)
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#define PT_I1 (PT_I2+4)
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#define PT_I0 (PT_I1+4)
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#define PT_USP (PT_I0+4)
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#define PT_FP (PT_USP+4)
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#define PT_P5 (PT_FP+4)
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#define PT_P4 (PT_P5+4)
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#define PT_P3 (PT_P4+4)
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#define PT_P2 (PT_P3+4)
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#define PT_P1 (PT_P2+4)
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#define PT_P0 (PT_P1+4)
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#define PT_R7 (PT_P0+4)
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#define PT_R6 (PT_R7+4)
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#define PT_R5 (PT_R6+4)
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#define PT_R4 (PT_R5+4)
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#define PT_R3 (PT_R4+4)
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#define PT_R2 (PT_R3+4)
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#define PT_R1 (PT_R2+4)
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#define PT_R0 (PT_R1+4)
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#define PT_ORIG_R0 (PT_R0+4)
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#define PT_SR PT_SEQSTAT
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#else
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/*
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* Here utilize blackfin : dpregs = [pregs + imm16s4]
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* [pregs + imm16s4] = dpregs
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* to access defferent saved reg in stack
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*/
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#define PT_R3 0
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#define PT_R4 4
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#define PT_R2 8
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#define PT_R1 12
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#define PT_P5 16
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#define PT_P4 20
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#define PT_P3 24
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#define PT_P2 28
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#define PT_P1 32
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#define PT_P0 36
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#define PT_R7 40
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#define PT_R6 44
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#define PT_R5 48
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#define PT_PC 52
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#define PT_SEQSTAT 56 /* so-called SR reg */
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#define PT_SR PT_SEQSTAT
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#define PT_ASTAT 60
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#define PT_RETS 64
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#define PT_A1w 68
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#define PT_A0w 72
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#define PT_A1x 76
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#define PT_A0x 80
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#define PT_ORIG_R0 84
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#define PT_R0 88
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#define PT_USP 92
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#define PT_FP 96
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#define PT_SP 100
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/* Added by HuTao, May26 2003 3:18PM */
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#define PT_IPEND 100
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/* Add SYSCFG register for single stepping support */
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#define PT_SYSCFG 104
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#endif
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#ifndef __ASSEMBLY__
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#if defined(NEW_PT_REGS)
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/* this struct defines the way the registers are stored on the
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* stack during a system call.
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*/
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struct pt_regs {
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long ipend;
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long syscfg;
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long seqstat;
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long rete;
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long retn;
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long retx;
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long pc;
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long rets;
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long reserved;
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long astat;
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long lb1;
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long lb0;
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long lt1;
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long lt0;
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long lc1;
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long lc0;
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long a1w;
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long a1x;
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long a0w;
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long a0x;
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long b3;
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long b2;
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long b1;
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long b0;
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long l3;
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long l2;
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long l1;
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long l0;
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long m3;
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long m2;
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long m1;
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long m0;
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long i3;
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long i2;
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long i1;
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long i0;
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long usp;
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long fp;
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long p5;
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long p4;
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long p3;
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long p2;
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long p1;
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long p0;
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long r7;
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long r6;
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long r5;
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long r4;
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long r3;
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long r2;
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long r1;
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long r0;
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long orig_r0;
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};
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#else
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/* now we don't know what regs the system call will use */
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struct pt_regs {
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long r3;
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long r4;
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long r2;
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long r1;
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long p5;
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long p4;
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long p3;
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long p2;
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long p1;
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long p0;
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long r7;
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long r6;
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long r5;
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unsigned long pc;
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unsigned long seqstat;
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unsigned long astat;
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unsigned long rets;
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long a1w;
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long a0w;
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long a1x;
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long a0x;
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long orig_r0;
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long r0;
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long usp;
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long fp;
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/*
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* Added for supervisor/user mode switch.
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*
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* HuTao May26 03 3:23PM
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*/
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long ipend;
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long syscfg;
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};
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#endif
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/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
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#define PTRACE_GETREGS 12
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#define PTRACE_SETREGS 13 /* ptrace signal */
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#ifdef __KERNEL__
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#ifndef PS_S
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#define PS_S (0x0c00)
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/* Bit 11:10 of SEQSTAT defines user/supervisor/debug mode
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* 00: user
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* 01: supervisor
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* 1x: debug
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*/
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#define PS_M (0x1000) /* I am not sure why this is required here Akbar */
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#endif
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#define user_mode(regs) (!((regs)->seqstat & PS_S))
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#define instruction_pointer(regs) ((regs)->pc)
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extern void show_regs(struct pt_regs *);
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#endif
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#endif
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#endif
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