Zack Buhman
25e299feba
This is a reshuffling of filenames, extensions, paths, make rules, just because I felt like it.
35 lines
983 B
C++
35 lines
983 B
C++
#include "sh7091.hpp"
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#include "memorymap.hpp"
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void sq_transfer_32byte(volatile void * dst)
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{
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// dst typically 0x10000000 (ta polygon converter)
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sh7091.CCN.QACR0 = ((reinterpret_cast<uint32_t>(dst) >> 26) & 0b111) << 2;
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// start 32-byte transfer from store queue 0 (SQ0) to QACR0
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asm volatile ("pref @%0"
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: // output
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: "r" (&store_queue[0]) // input
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);
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}
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void sq_transfer_64byte(volatile void * dst)
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{
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// dst typically 0x10000000 (ta polygon converter)
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sh7091.CCN.QACR0 = ((reinterpret_cast<uint32_t>(dst) >> 26) & 0b111) << 2;
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sh7091.CCN.QACR1 = ((reinterpret_cast<uint32_t>(dst) >> 26) & 0b111) << 2;
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// start 32-byte transfer from store queue 0 (SQ0) to QACR0
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asm volatile ("pref @%0"
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: // output
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: "r" (&store_queue[0]) // input
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);
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// start 32-byte transfer from store queue 1 (SQ1) to QACR1
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asm volatile ("pref @%0"
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: // output
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: "r" (&store_queue[8]) // input
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);
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}
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