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trace: Trace port IO 

Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Prerna Saxena 2010-08-11 17:15:11 +05:30 committed by Anthony Liguori
parent 64979a4d61
commit bd3c9aa531
2 changed files with 11 additions and 0 deletions
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7
ioport.c
View File

@ -26,6 +26,7 @@
*/ */
#include "ioport.h" #include "ioport.h"
#include "trace.h"
/***********************************************************/ /***********************************************************/
/* IO Port */ /* IO Port */
@ -195,18 +196,21 @@ void isa_unassign_ioport(pio_addr_t start, int length)
void cpu_outb(pio_addr_t addr, uint8_t val) void cpu_outb(pio_addr_t addr, uint8_t val)
{ {
LOG_IOPORT("outb: %04"FMT_pioaddr" %02"PRIx8"\n", addr, val); LOG_IOPORT("outb: %04"FMT_pioaddr" %02"PRIx8"\n", addr, val);
trace_cpu_out(addr, val);
ioport_write(0, addr, val); ioport_write(0, addr, val);
} }
void cpu_outw(pio_addr_t addr, uint16_t val) void cpu_outw(pio_addr_t addr, uint16_t val)
{ {
LOG_IOPORT("outw: %04"FMT_pioaddr" %04"PRIx16"\n", addr, val); LOG_IOPORT("outw: %04"FMT_pioaddr" %04"PRIx16"\n", addr, val);
trace_cpu_out(addr, val);
ioport_write(1, addr, val); ioport_write(1, addr, val);
} }
void cpu_outl(pio_addr_t addr, uint32_t val) void cpu_outl(pio_addr_t addr, uint32_t val)
{ {
LOG_IOPORT("outl: %04"FMT_pioaddr" %08"PRIx32"\n", addr, val); LOG_IOPORT("outl: %04"FMT_pioaddr" %08"PRIx32"\n", addr, val);
trace_cpu_out(addr, val);
ioport_write(2, addr, val); ioport_write(2, addr, val);
} }
@ -214,6 +218,7 @@ uint8_t cpu_inb(pio_addr_t addr)
{ {
uint8_t val; uint8_t val;
val = ioport_read(0, addr); val = ioport_read(0, addr);
trace_cpu_in(addr, val);
LOG_IOPORT("inb : %04"FMT_pioaddr" %02"PRIx8"\n", addr, val); LOG_IOPORT("inb : %04"FMT_pioaddr" %02"PRIx8"\n", addr, val);
return val; return val;
} }
@ -222,6 +227,7 @@ uint16_t cpu_inw(pio_addr_t addr)
{ {
uint16_t val; uint16_t val;
val = ioport_read(1, addr); val = ioport_read(1, addr);
trace_cpu_in(addr, val);
LOG_IOPORT("inw : %04"FMT_pioaddr" %04"PRIx16"\n", addr, val); LOG_IOPORT("inw : %04"FMT_pioaddr" %04"PRIx16"\n", addr, val);
return val; return val;
} }
@ -230,6 +236,7 @@ uint32_t cpu_inl(pio_addr_t addr)
{ {
uint32_t val; uint32_t val;
val = ioport_read(2, addr); val = ioport_read(2, addr);
trace_cpu_in(addr, val);
LOG_IOPORT("inl : %04"FMT_pioaddr" %08"PRIx32"\n", addr, val); LOG_IOPORT("inl : %04"FMT_pioaddr" %08"PRIx32"\n", addr, val);
return val; return val;
} }

4
trace-events
View File

@ -59,3 +59,7 @@ disable virtio_blk_handle_write(void *req, unsigned long sector, unsigned long n
# posix-aio-compat.c # posix-aio-compat.c
disable paio_submit(void *acb, void *opaque, unsigned long sector_num, unsigned long nb_sectors, unsigned long type) "acb %p opaque %p sector_num %lu nb_sectors %lu type %lu" disable paio_submit(void *acb, void *opaque, unsigned long sector_num, unsigned long nb_sectors, unsigned long type) "acb %p opaque %p sector_num %lu nb_sectors %lu type %lu"
# ioport.c
disable cpu_in(unsigned int addr, unsigned int val) "addr %#x value %u"
disable cpu_out(unsigned int addr, unsigned int val) "addr %#x value %u"