mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 07:06:59 +07:00
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
#ifndef _CRIS_ARCH_PTRACE_H
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#define _CRIS_ARCH_PTRACE_H
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/* Frame types */
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#define CRIS_FRAME_NORMAL 0 /* normal frame without SBFS stacking */
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#define CRIS_FRAME_BUSFAULT 1 /* frame stacked using SBFS, need RBF return
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path */
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/* Register numbers in the ptrace system call interface */
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#define PT_FRAMETYPE 0
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#define PT_ORIG_R10 1
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#define PT_R13 2
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#define PT_R12 3
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#define PT_R11 4
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#define PT_R10 5
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#define PT_R9 6
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#define PT_R8 7
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#define PT_R7 8
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#define PT_R6 9
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#define PT_R5 10
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#define PT_R4 11
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#define PT_R3 12
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#define PT_R2 13
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#define PT_R1 14
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#define PT_R0 15
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#define PT_MOF 16
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#define PT_DCCR 17
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#define PT_SRP 18
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#define PT_IRP 19 /* This is actually the debugged process' PC */
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#define PT_CSRINSTR 20 /* CPU Status record remnants -
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valid if frametype == busfault */
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#define PT_CSRADDR 21
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#define PT_CSRDATA 22
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#define PT_USP 23 /* special case - USP is not in the pt_regs */
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#define PT_MAX 23
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/* Condition code bit numbers. The same numbers apply to CCR of course,
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but we use DCCR everywhere else, so let's try and be consistent. */
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#define C_DCCR_BITNR 0
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#define V_DCCR_BITNR 1
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#define Z_DCCR_BITNR 2
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#define N_DCCR_BITNR 3
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#define X_DCCR_BITNR 4
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#define I_DCCR_BITNR 5
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#define B_DCCR_BITNR 6
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#define M_DCCR_BITNR 7
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#define U_DCCR_BITNR 8
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#define P_DCCR_BITNR 9
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#define F_DCCR_BITNR 10
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/* pt_regs not only specifices the format in the user-struct during
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* ptrace but is also the frame format used in the kernel prologue/epilogues
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* themselves
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*/
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struct pt_regs {
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unsigned long frametype; /* type of stackframe */
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unsigned long orig_r10;
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/* pushed by movem r13, [sp] in SAVE_ALL, movem pushes backwards */
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unsigned long r13;
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unsigned long r12;
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unsigned long r11;
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unsigned long r10;
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unsigned long r9;
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unsigned long r8;
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unsigned long r7;
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unsigned long r6;
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unsigned long r5;
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unsigned long r4;
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unsigned long r3;
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unsigned long r2;
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unsigned long r1;
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unsigned long r0;
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unsigned long mof;
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unsigned long dccr;
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unsigned long srp;
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unsigned long irp; /* This is actually the debugged process' PC */
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unsigned long csrinstr;
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unsigned long csraddr;
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unsigned long csrdata;
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};
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/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
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* when doing a context-switch. it is used (apart from in resume) when a new
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* thread is made and we need to make _resume (which is starting it for the
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* first time) realise what is going on.
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*
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* Actually, the use is very close to the thread struct (TSS) in that both the
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* switch_stack and the TSS are used to keep thread stuff when switching in
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* _resume.
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*/
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struct switch_stack {
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unsigned long r9;
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unsigned long r8;
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unsigned long r7;
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unsigned long r6;
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unsigned long r5;
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unsigned long r4;
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unsigned long r3;
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unsigned long r2;
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unsigned long r1;
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unsigned long r0;
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unsigned long return_ip; /* ip that _resume will return to */
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};
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/* bit 8 is user-mode flag */
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#define user_mode(regs) (((regs)->dccr & 0x100) != 0)
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#define instruction_pointer(regs) ((regs)->irp)
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#define profile_pc(regs) instruction_pointer(regs)
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extern void show_regs(struct pt_regs *);
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#endif
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