gint/dsp: add a test for DSP startup and basics
This commit is contained in:
Lephe
parent
fb561d1310
commit
d03970f5ad
GPG Key ID:
1BBA026E13FC0495
8
Makefile
8
Makefile
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@ -120,18 +120,18 @@ build-cg/%.c.o: %.c
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# Assembler sources
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build-fx/%.s.o: %.s
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@ mkdir -p $(dir $@)
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$(TOOLCHAIN_FX)-gcc -c $< -o $@
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$(TOOLCHAIN_FX)-gcc -c $< -o $@ -Wa,--dsp
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build-cg/%.s.o: %.s
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@ mkdir -p $(dir $@)
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$(TOOLCHAIN_CG)-gcc -c $< -o $@
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$(TOOLCHAIN_CG)-gcc -c $< -o $@ -Wa,--dsp
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# Preprocessed assembler sources
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build-fx/%.S.o: %.S
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@ mkdir -p $(dir $@)
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$(TOOLCHAIN_FX)-gcc -c $< -o $@ $(INCLUDE)
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$(TOOLCHAIN_FX)-gcc -c $< -o $@ $(INCLUDE) -Wa,--dsp
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build-cg/%.S.o: %.S
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@ mkdir -p $(dir $@)
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$(TOOLCHAIN_CG)-gcc -c $< -o $@ $(INCLUDE)
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$(TOOLCHAIN_CG)-gcc -c $< -o $@ $(INCLUDE) -Wa,--dsp
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# Images
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build-fx/assets/img/%.o: assets-fx/img/%
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@ -11,6 +11,9 @@ void gintctl_gint_hardware(void);
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/* gintctl_gint_ram(): Determine the size of some memory areas */
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void gintctl_gint_ram(void);
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/* gintctl_gint_dsp(): DSP initialization and configuration */
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void gintctl_gint_dsp(void);
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/* gintctl_gint_dump(): Dump memory to filesystem */
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void gintctl_gint_dump(void);
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@ -0,0 +1,101 @@
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#include <gint/display.h>
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#include <gint/keyboard.h>
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#include <gintctl/gint.h>
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#include <gintctl/util.h>
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#ifdef FXCG50
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extern void dsp_ldrc(void);
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extern int dsp_padd(int x, int y);
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extern int dsp_cpumul(int x, int y);
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extern int dsp_loop(int x);
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/* gintctl_gint_dsp(): DSP initialization and configuration */
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void gintctl_gint_dsp(void)
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{
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int key = 0;
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int padd_x=27, padd_y=15;
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int padd_done = 0;
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int padd_result = 0;
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int mul_x=12, mul_y=14;
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int mul_done = 0;
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int mul_result = 0;
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int loop_x = 16;
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int loop_done = 0;
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int loop_result = 0;
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while(key != KEY_EXIT)
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{
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dclear(C_WHITE);
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row_title("DSP initialization and basic instructions");
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row_print(1, 1, "F1: LDRC instruction");
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row_print(2, 1, "F2: PADD instruction");
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if(!padd_done)
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{
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row_print(3, 3, "%d + %d = (not tested yet)", padd_x,
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padd_y);
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}
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else
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{
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row_print(3, 3, "%d + %d = %d", padd_x, padd_y,
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padd_result);
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}
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row_print(4, 1, "F3: Multiplication by CPU");
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if(!mul_done)
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{
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row_print(5, 3, "%d * %d = (not tested yet)", mul_x,
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mul_y);
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}
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else
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{
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row_print(5, 3, "%d * %d = %d", mul_x, mul_y,
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mul_result);
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}
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row_print(6, 1, "F4: Repeat loop");
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if(!loop_done)
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{
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row_print(7, 3, "%d times 1 = (not tested yet)",
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loop_x);
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}
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else
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{
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row_print(7, 3, "%d times 1 = %d", loop_x,
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loop_result);
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}
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fkey_button(1, "LDRC");
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fkey_button(2, "PADD");
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fkey_button(3, "PMULS");
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fkey_button(4, "LOOP");
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dupdate();
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key = getkey().key;
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if(key == KEY_F1)
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{
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dsp_ldrc();
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}
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if(key == KEY_F2)
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{
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padd_result = dsp_padd(padd_x, padd_y);
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padd_done = 1;
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}
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if(key == KEY_F3)
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{
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mul_result = dsp_cpumul(mul_x, mul_y);
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mul_done = 1;
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}
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if(key == KEY_F4)
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{
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loop_result = dsp_loop(loop_x);
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loop_done = 1;
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}
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}
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}
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#endif
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@ -0,0 +1,54 @@
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.global _dsp_ldrc
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.global _dsp_padd
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.global _dsp_cpumul
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.global _dsp_loop
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_dsp_ldrc:
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/* Check that LDRC is available */
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ldrc #16
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rts
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nop
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_dsp_padd:
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/* Add some numbers */
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lds r4, x0
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lds r5, y0
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padd x0, y0, a0
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sts a0, r0
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rts
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nop
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_dsp_cpumul:
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/* Multiply stuff but use the CPU */
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lds r4, x0
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lds r5, y0
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/* Make it normal registers... (slow) */
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sts x0, r0
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sts y0, r1
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mul.l r0, r1
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/* Take result back directly to DSP (latency?) */
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psts macl, a0
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/* Return the result in r0 */
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sts a0, r0
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rts
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nop
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_dsp_loop:
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mov #1, r0
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lds r0, x0
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pclr y0
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ldrs 1f
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ldre 2f
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ldrc r4
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nop
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1:
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2:
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padd x0, y0, y0
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sts y0, r0
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rts
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nop
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@ -63,6 +63,10 @@ void show_mpucpu(void)
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volatile uint32_t *CPUOPM = (void *)0xff2f0000;
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row_print(6, 1, _(" CPUOPM:"," CPU Operation Mode: ") "%08x", *CPUOPM);
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uint32_t SR;
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__asm__("stc sr, %0" : "=r"(SR));
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row_print(7, 1, _(" SR:", " Status Register: ") "%08x", SR);
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}
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/* Memory */
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@ -35,6 +35,9 @@ struct menu menu_gint = {
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{ "Hardware", gintctl_gint_hardware },
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{ "RAM discovery", gintctl_gint_ram },
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#ifdef FXCG50
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{ "DSP processors", gintctl_gint_dsp },
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#endif
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{ "Memory dump", gintctl_gint_dump },
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{ "Switching to OS", gintctl_gint_switch },
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{ "TLB management", gintctl_gint_tlb },
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