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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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46 lines
1.5 KiB
C
46 lines
1.5 KiB
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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* On sparc, thread_info data is static and TI_XXX offsets are computed by hand.
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*/
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#include <linux/config.h>
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#include <linux/sched.h>
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// #include <linux/mm.h>
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define BLANK() asm volatile("\n->" : : )
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int foo(void)
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{
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DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
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BLANK();
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/* XXX This is the stuff for sclow.S, kill it. */
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DEFINE(AOFF_task_pid, offsetof(struct task_struct, pid));
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DEFINE(AOFF_task_uid, offsetof(struct task_struct, uid));
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DEFINE(AOFF_task_gid, offsetof(struct task_struct, gid));
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DEFINE(AOFF_task_euid, offsetof(struct task_struct, euid));
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DEFINE(AOFF_task_egid, offsetof(struct task_struct, egid));
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/* DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); */
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DEFINE(ASIZ_task_uid, sizeof(current->uid));
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DEFINE(ASIZ_task_gid, sizeof(current->gid));
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DEFINE(ASIZ_task_euid, sizeof(current->euid));
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DEFINE(ASIZ_task_egid, sizeof(current->egid));
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BLANK();
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DEFINE(AOFF_thread_fork_kpsr,
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offsetof(struct thread_struct, fork_kpsr));
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BLANK();
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DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context));
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/* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */
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return 0;
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}
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