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140 lines
4 KiB
C
140 lines
4 KiB
C
/*
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* PROJECT: ReactOS kernel-mode tests
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* LICENSE: GPLv2+ - See COPYING in the top level directory
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* PURPOSE: Kernel-Mode Test Suite Interrupt Request Level test
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* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
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*/
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#ifndef _M_AMD64
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__declspec(dllimport) void __stdcall KeRaiseIrql(unsigned char, unsigned char *);
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__declspec(dllimport) void __stdcall KeLowerIrql(unsigned char);
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#else
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#define CLOCK1_LEVEL CLOCK_LEVEL
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#define CLOCK2_LEVEL CLOCK_LEVEL
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#endif
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#include <kmt_test.h>
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#define NDEBUG
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#include <debug.h>
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START_TEST(KeIrql)
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{
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KIRQL Irql, Irql2, PrevIrql, SynchIrql;
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/* we should be called at PASSIVE_LEVEL */
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ok_irql(PASSIVE_LEVEL);
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PrevIrql = KeGetCurrentIrql();
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/* SYNCH_LEVEL is different for UP/MP */
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if (KmtIsMultiProcessorBuild)
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SynchIrql = IPI_LEVEL - 2;
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else
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SynchIrql = DISPATCH_LEVEL;
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/* some Irqls MUST work */
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{
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const KIRQL Irqls[] = { LOW_LEVEL, PASSIVE_LEVEL, APC_LEVEL, DISPATCH_LEVEL,
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CMCI_LEVEL, CLOCK1_LEVEL, CLOCK2_LEVEL, CLOCK_LEVEL,
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PROFILE_LEVEL, IPI_LEVEL, /*POWER_LEVEL,*/ SynchIrql, HIGH_LEVEL };
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int i;
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for (i = 0; i < sizeof Irqls / sizeof Irqls[0]; ++i)
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{
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KeRaiseIrql(Irqls[i], &Irql2);
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ok_eq_uint(Irql2, PrevIrql);
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ok_irql(Irqls[i]);
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KeLowerIrql(Irql2);
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ok_irql(PrevIrql);
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}
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}
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/* raising/lowering to the current level should have no effect */
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ok_irql(PASSIVE_LEVEL);
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KeRaiseIrql(PASSIVE_LEVEL, &Irql);
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ok_eq_uint(Irql, PASSIVE_LEVEL);
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KeLowerIrql(PASSIVE_LEVEL);
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ok_irql(PASSIVE_LEVEL);
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/* try to raise to each Irql and back */
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for (Irql = PASSIVE_LEVEL; Irql <= HIGH_LEVEL; ++Irql)
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{
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DPRINT("Raising to %u\n", Irql);
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KeRaiseIrql(Irql, &Irql2);
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ok_eq_uint(Irql2, PrevIrql);
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KeLowerIrql(Irql2);
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ok_irql(PrevIrql);
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}
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/* go through all Irqls in order, skip the ones that the system doesn't accept */
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for (Irql = PASSIVE_LEVEL; Irql <= HIGH_LEVEL; ++Irql)
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{
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DPRINT("Raising to %u\n", Irql);
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KeRaiseIrql(Irql, &Irql2);
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ok_eq_uint(Irql2, PrevIrql);
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Irql2 = KeGetCurrentIrql();
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ok(Irql2 <= Irql, "New Irql is %u, expected <= requested value of %u\n", Irql2, Irql);
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PrevIrql = Irql2;
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}
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ok_irql(HIGH_LEVEL);
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/* now go back again, skipping the ones that don't work */
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for (Irql = HIGH_LEVEL; Irql > PASSIVE_LEVEL;)
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{
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DPRINT("Lowering to %u\n", Irql - 1);
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KeLowerIrql(Irql - 1);
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Irql2 = KeGetCurrentIrql();
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ok(Irql2 < Irql, "New Irql is %u, expected <= requested value of %u\n", Irql2, Irql - 1);
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if (Irql2 < Irql)
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Irql = Irql2;
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else
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--Irql;
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}
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/* test KeRaiseIrqlToDpcLevel */
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ok_irql(PASSIVE_LEVEL);
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Irql = KeRaiseIrqlToDpcLevel();
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ok_irql(DISPATCH_LEVEL);
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ok_eq_uint(Irql, PASSIVE_LEVEL);
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Irql = KeRaiseIrqlToDpcLevel();
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ok_irql(DISPATCH_LEVEL);
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ok_eq_uint(Irql, DISPATCH_LEVEL);
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KeLowerIrql(PASSIVE_LEVEL);
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/* test KeRaiseIrqlToSynchLevel */
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ok_irql(PASSIVE_LEVEL);
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Irql = KeRaiseIrqlToSynchLevel();
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ok_irql(SynchIrql);
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ok_eq_uint(Irql, PASSIVE_LEVEL);
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Irql = KeRaiseIrqlToSynchLevel();
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ok_irql(SynchIrql);
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ok_eq_uint(Irql, SynchIrql);
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KeLowerIrql(PASSIVE_LEVEL);
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/* these bugcheck on a checked build but run fine on free! */
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if (!KmtIsCheckedBuild)
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{
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KeRaiseIrql(HIGH_LEVEL, &Irql);
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KeRaiseIrql(APC_LEVEL, &Irql);
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ok_irql(APC_LEVEL);
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KeLowerIrql(HIGH_LEVEL);
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ok_irql(HIGH_LEVEL);
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KeLowerIrql(PASSIVE_LEVEL);
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}
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#ifndef _M_AMD64
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/* try the actual exports, not only the fastcall versions */
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ok_irql(PASSIVE_LEVEL);
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(KeRaiseIrql)(HIGH_LEVEL, &Irql);
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ok_irql(HIGH_LEVEL);
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ok_eq_uint(Irql, PASSIVE_LEVEL);
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(KeLowerIrql)(Irql);
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ok_irql(PASSIVE_LEVEL);
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#endif
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/* make sure we exit gracefully */
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ok_irql(PASSIVE_LEVEL);
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KeLowerIrql(PASSIVE_LEVEL);
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}
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