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All inline asm in decouple now marked volatile

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This commit is contained in:
Ross Owen
2015-03-18 12:20:24 +00:00
parent 7f8e90dda4
commit 2de25aa4b5
1 changed files with 14 additions and 14 deletions
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28
module_usb_audio/usb_buffer/decouple.xc
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@@ -176,7 +176,7 @@ __builtin_unreachable();
int mult;
int h;
unsigned l;
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multIn),"r"(i));
asm volatile("ldw %0, %1[%2]":"=r"(mult):"r"(p_multIn),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
sample = h << 3;
@@ -207,7 +207,7 @@ __builtin_unreachable();
int mult;
int h;
unsigned l;
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multIn),"r"(i));
asm volatile("ldw %0, %1[%2]":"=r"(mult):"r"(p_multIn),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
sample = h << 3;
#if (STREAM_FORMAT_INPUT_RESOLUTION_32BIT_USED == 1)
@@ -240,7 +240,7 @@ __builtin_unreachable();
int mult;
int h;
unsigned l;
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multIn),"r"(i));
asm volatile("ldw %0, %1[%2]":"=r"(mult):"r"(p_multIn),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
sample = h << 3;
#endif
@@ -343,7 +343,7 @@ __builtin_unreachable();
sample <<= 16;
#if (OUTPUT_VOLUME_CONTROL == 1) && !defined(OUT_VOLUME_IN_MIXER)
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
asm volatile("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
/* Note, in 2 byte subslot mode - ignore lower result of macs */
h <<= 3;
@@ -371,7 +371,7 @@ __builtin_unreachable();
g_aud_from_host_rdptr+=4;
#if (OUTPUT_VOLUME_CONTROL == 1) && !defined(OUT_VOLUME_IN_MIXER)
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
asm volatile("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
h <<= 3;
#if (STREAM_FORMAT_OUTPUT_RESOLUTION_32BIT_USED == 1)
@@ -426,7 +426,7 @@ __builtin_unreachable();
unpackState++;
#if (OUTPUT_VOLUME_CONTROL == 1) && !defined(OUT_VOLUME_IN_MIXER)
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
asm volatile("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
h <<= 3;
outuint(c_mix_out, h);
@@ -476,7 +476,7 @@ __builtin_unreachable();
}
/* Get feedback val - ideally this would be syncronised */
asm("ldw %0, dp[g_speed]" : "=r" (speed) :);
asm volatile("ldw %0, dp[g_speed]" : "=r" (speed) :);
/* Calc packet size to send back based on our fb */
speedRem += speed;
@@ -587,7 +587,7 @@ static inline void SetupZerosSendBuffer(XUD_ep aud_to_host_usb_ep, unsigned samp
mid *= g_numUsbChan_In * slotSize;
asm("stw %0, %1[0]"::"r"(mid),"r"(g_aud_to_host_zeros));
asm volatile("stw %0, %1[0]"::"r"(mid),"r"(g_aud_to_host_zeros));
/* Mark EP ready with the zero buffer. Note this will simply update the packet size
* if it is already ready */
@@ -648,14 +648,14 @@ void decouple(chanend c_mix_out
#ifndef OUT_VOLUME_IN_MIXER
for (int i = 0; i < NUM_USB_CHAN_OUT + 1; i++)
{
asm("stw %0, %1[%2]"::"r"(MAX_VOL),"r"(p_multOut),"r"(i));
asm volatile("stw %0, %1[%2]"::"r"(MAX_VOL),"r"(p_multOut),"r"(i));
}
#endif
#ifndef IN_VOLUME_IN_MIXER
for (int i = 0; i < NUM_USB_CHAN_IN + 1; i++)
{
asm("stw %0, %1[%2]"::"r"(MAX_VOL),"r"(p_multIn),"r"(i));
asm volatile("stw %0, %1[%2]"::"r"(MAX_VOL),"r"(p_multIn),"r"(i));
}
#endif
@@ -751,7 +751,7 @@ void decouple(chanend c_mix_out
chkct(c_mix_out, XS1_CT_END);
SET_SHARED_GLOBAL(g_freqChange, 0);
asm("outct res[%0],%1"::"r"(buffer_aud_ctl_chan),"r"(XS1_CT_END));
asm volatile("outct res[%0],%1"::"r"(buffer_aud_ctl_chan),"r"(XS1_CT_END));
ENABLE_INTERRUPTS();
@@ -795,7 +795,7 @@ void decouple(chanend c_mix_out
}
SET_SHARED_GLOBAL(g_freqChange, 0);
asm("outct res[%0],%1"::"r"(buffer_aud_ctl_chan),"r"(XS1_CT_END));
asm volatile("outct res[%0],%1"::"r"(buffer_aud_ctl_chan),"r"(XS1_CT_END));
ENABLE_INTERRUPTS();
}
@@ -840,7 +840,7 @@ void decouple(chanend c_mix_out
/* Wait for handshake back */
chkct(c_mix_out, XS1_CT_END);
asm("outct res[%0],%1"::"r"(buffer_aud_ctl_chan),"r"(XS1_CT_END));
asm volatile("outct res[%0],%1"::"r"(buffer_aud_ctl_chan),"r"(XS1_CT_END));
SET_SHARED_GLOBAL(g_freqChange, 0);
ENABLE_INTERRUPTS();
@@ -1000,7 +1000,7 @@ void decouple(chanend c_mix_out
{
int p, len;
GET_SHARED_GLOBAL(p, g_aud_to_host_buffer);
asm("ldw %0, %1[0]":"=r"(len):"r"(p));
asm volatile("ldw %0, %1[0]":"=r"(len):"r"(p));
XUD_SetReady_InPtr(aud_to_host_usb_ep, p+4, len);
}
continue;