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Dialog: Lock volatile when the access thread runs.

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Further tests show that this should be locked first thing before the
delays, it just depends on the thread priorities involved.
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Unknown W. Brackets committed 2021-08-14 20:55:10 -07:00
1 parent f01d4d697e
commit 04828e886b
1 file changed
+10 -9
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Core/HLE/sceUtility.cpp
+10 -9
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@@ -276,22 +276,23 @@ void __UtilityShutdown() {
void UtilityDialogInitialize(UtilityDialogType type, int delayUs, int priority) {
int partDelay = delayUs / 4;
const u32_le insts[] = {
// Make sure we don't discard/deadbeef 'em.
// Make sure we don't discard/deadbeef a0.
(u32_le)MIPS_MAKE_ORI(MIPS_REG_S0, MIPS_REG_A0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_S0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_S0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_S0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
// Now actually lock the volatile memory. Maybe this should be earlier...
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_ZERO, 0),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A1, MIPS_REG_ZERO, 0),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A2, MIPS_REG_ZERO, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceSuspendForUser", "sceKernelVolatileMemLock"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_S0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_S0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_S0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_S0, 0),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityWorkUs"),
(u32_le)MIPS_MAKE_ORI(MIPS_REG_A0, MIPS_REG_ZERO, (int)type),
(u32_le)MIPS_MAKE_JR_RA(),
(u32_le)MIPS_MAKE_SYSCALL("sceUtility", "__UtilityInitDialog"),