i should implement DSP DMA...

2026-05-20 17:55:07 +02:00
parent f9ab690ccd
commit 35f20a16b8
15 changed files with 500 additions and 25 deletions
@@ -7,8 +7,10 @@ struct dsp {
    dsp(mem &);
    ircolib::u16 read16(ircolib::u32);
    void write16(ircolib::u32, ircolib::u16);
+    ircolib::u32 read32(ircolib::u32);
+    void write32(ircolib::u32, ircolib::u32);

-    union {
+    union Csr {
        struct {
            unsigned res : 1;
            unsigned piint : 1;
@@ -21,10 +23,21 @@ struct dsp {
            unsigned dspint_mask : 1;
            unsigned int_status : 1;
            unsigned : 1;
-            unsigned res2 : 1;
+            unsigned boot_mode : 1;
            unsigned : 4;
        };
        ircolib::u16 raw;
    } csr;
+
+    union {
+        struct {
+            ircolib::u32 lo;
+            ircolib::u32 hi;
+        };
+        ircolib::u64 whole;
+    } ar_dma_mmaddr, ar_dma_araddr, ar_dma_cnt, dma_start_addr;
+
+    ircolib::u16 ar_size;
+    ircolib::u16 dsp_mail_hi = 0, dsp_mail_lo = 0, cpu_mail_hi = 0, cpu_mail_lo = 0;
 };
 } // namespace weee::core