Acelogic
1510d8c6ce
An EL2 monitor/hypervisor and toolchain that boots macOS 27 on the ASUS A16 (Snapdragon X2 Elite), with an Adreno Metal plug-in and IOGPU kext, and air2ir3, an AIR to Mesa ir3 shader compiler. MIT, with GPL-2.0 components listed in LICENSE and THIRD_PARTY_NOTICES.md. No Apple, Qualcomm, ASUS or Microsoft binaries are included.
41 lines
2.0 KiB
C
41 lines
2.0 KiB
C
/* SPDX-License-Identifier: MIT */
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#include "clock.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define CHECK(x) do { checks++; if(!(x)) {fprintf(stderr,"FAIL %d: %s\n",__LINE__,#x);exit(1);} } while(0)
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static unsigned checks;
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struct sample {uint64_t value,reads;};
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static uint64_t counter(void *ctx) {struct sample *s=ctx;s->reads++;return s->value;}
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int main(void)
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{
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struct sample sample={0x123456789abc,0};
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struct clock_backend backend={&sample,counter,0};
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for(unsigned rt=0;rt<32;rt++) {
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struct guest_clock clock={.cntkctl=0x4f};uint64_t regs[31],before[31];
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for(unsigned i=0;i<31;i++)regs[i]=before[i]=i+0xbeef;
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CHECK(guest_clock_user_read(&clock,&backend,0xd53cfac0|rt,regs)==CLOCK_OK);
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CHECK(clock.reads==1 && clock.last==sample.value);
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for(unsigned i=0;i<31;i++)CHECK(regs[i]==(i==rt ? sample.value : before[i]));
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for(unsigned bit=5;bit<32;bit++) {
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struct guest_clock old=clock;struct sample old_sample=sample;
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memcpy(before,regs,sizeof regs);
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CHECK(guest_clock_user_read(&clock,&backend,(0xd53cfac0|rt)^(1U<<bit),regs)==CLOCK_UNHANDLED);
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CHECK(!memcmp(&old,&clock,sizeof clock) && !memcmp(&old_sample,&sample,sizeof sample));
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CHECK(!memcmp(before,regs,sizeof regs));
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}
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}
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for(unsigned ctl=0;ctl<256;ctl++) {
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struct guest_clock clock={.cntkctl=ctl};uint64_t regs[31]={0};
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CHECK(guest_clock_user_read(&clock,&backend,0xd53cfac8,regs)==
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(ctl&2 ? CLOCK_OK : CLOCK_CONTROL_UNSUPPORTED));
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CHECK(clock.reads==!!(ctl&2));CHECK(regs[8]==(ctl&2 ? sample.value : 0));
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}
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struct guest_clock clock={.cntkctl=2};uint64_t regs[31]={0};
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CHECK(guest_clock_user_read(&clock,0,0xd53cfac8,regs)==CLOCK_BACKEND_FAILED);
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CHECK(guest_clock_user_read(0,&backend,0xd53cfac8,regs)==CLOCK_BACKEND_FAILED);
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CHECK(guest_clock_user_read(&clock,&backend,0xd53cfac8,0)==CLOCK_BACKEND_FAILED);
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CHECK(!clock.reads && !regs[8]);
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printf("PASS: %u user-clock checks\n",checks);
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}
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