mirror of
https://github.com/AsahiLinux/m1n1
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28 lines
736 B
C
28 lines
736 B
C
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/* SPDX-License-Identifier: MIT */
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#include "hv.h"
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#include "assert.h"
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#include "cpu_regs.h"
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void hv_init(void)
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{
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// Enable physical timer for EL1
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msr(CNTHCTL_EL2, CNTHCTL_EL1PCTEN);
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hv_pt_init();
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// Configure hypervisor defaults
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msr(HCR_EL2, HCR_API | // Allow PAuth instructions
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HCR_APK | // Allow PAuth key registers
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HCR_TEA | // Trap external aborts
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HCR_E2H | // VHE mode (forced)
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HCR_RW | // AArch64 guest
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HCR_AMO | // Trap SError exceptions
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HCR_VM); // Enable stage 2 translation
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sysop("dsb ishst");
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sysop("tlbi alle1is");
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sysop("dsb ish");
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sysop("isb");
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}
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