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This commit is contained in:
cinap_lenrek 2011-05-18 19:58:00 +00:00
commit df687d3840
2 changed files with 48 additions and 4 deletions
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10
sys/src/9/pc/mp.c
View file

@ -883,13 +883,14 @@ mpintrenablex(Vctl* v, int tbdf)
enum {
MSICtrl = 0x02, /* message control register (16 bit) */
MSIAddr = 0x04, /* message address register (64 bit) */
MSIData = 0x0C, /* message data register (16 bit) */
MSIData32 = 0x08, /* message data register for 32 bit MSI (16 bit) */
MSIData64 = 0x0C, /* message data register for 64 bit MSI (16 bit) */
};
static int
msiintrenable(Vctl *v)
{
int tbdf, vno, cap, cpu;
int tbdf, vno, cap, cpu, ok64;
Pcidev *pci;
if(getconf("*msi") == nil)
@ -913,9 +914,10 @@ msiintrenable(Vctl *v)
vno = allocvector();
cpu = mpintrcpu();
ok64 = (pcicfgr16(pci, cap + MSICtrl) & (1<<7)) != 0;
pcicfgw32(pci, cap + MSIAddr, (0xFEE << 20) | (cpu << 12));
pcicfgw32(pci, cap + MSIAddr + 4, 0);
pcicfgw16(pci, cap + MSIData, vno | (1<<14));
if(ok64) pcicfgw32(pci, cap + MSIAddr + 4, 0);
pcicfgw16(pci, cap + (ok64 ? MSIData64 : MSIData32), vno | (1<<14));
pcicfgw16(pci, cap + MSICtrl, 1);
print("msiintrenable: success with tbdf %.8x, vector %d, cpu %d\n", tbdf, vno, cpu);
v->isr = lapicisr;

42
sys/src/cmd/tput.c Normal file
View file

@ -0,0 +1,42 @@
#include <u.h>
#include <libc.h>
enum {buflen = 4096};
void
main(int argc, char **argv)
{
int rc, cpid, fd, dopipe;
static char buf[buflen];
static uvlong bc, sec;
double speed;
dopipe = 0;
ARGBEGIN {
case 'p': dopipe = 1;
} ARGEND
bc = 0;
sec = 0;
cpid = rfork(RFPROC | RFMEM);
if(cpid == 0) {
while(1) {
sleep(1000);
speed = bc / ++sec;
if(speed >= 1073741824) fprint(2, "%.2f GB/s\n", speed / 1073741824);
else if(speed >= 1048576) fprint(2, "%.2f MB/s\n", speed / 1048576);
else if(speed >= 1024) fprint(2, "%.2f KB/s\n", speed / 1024);
else fprint(2, "%.2f B/s\n", speed);
}
}
while(1) {
rc = read(0, buf, buflen);
if(rc <= 0) break;
if(dopipe) write(1, buf, rc);
bc += rc;
}
sprint(buf, "/proc/%d/note", cpid);
fd = open(buf, OWRITE);
write(fd, "kill", 4);
if(rc < 0) sysfatal("%r");
}