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ahci: make port read traces more descriptive

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A trace is added to let us watch unimplemented registers specifically,
as these are more likely to cause us trouble. Otherwise, the port read
traces now tell us what register is getting hit, which is nicer.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
John Snow 2018-06-08 13:17:36 -04:00
parent 536551d758
commit e538916366
2 changed files with 5 additions and 3 deletions
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5
hw/ide/ahci.c
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@ -46,7 +46,6 @@ static bool ahci_map_fis_address(AHCIDevice *ad);
static void ahci_unmap_clb_address(AHCIDevice *ad);
static void ahci_unmap_fis_address(AHCIDevice *ad);
__attribute__((__unused__)) /* TODO */
static const char *AHCIPortReg_lookup[AHCI_PORT_REG__COUNT] = {
[AHCI_PORT_REG_LST_ADDR] = "PxCLB",
[AHCI_PORT_REG_LST_ADDR_HI] = "PxCLBU",
@ -149,10 +148,12 @@ static uint32_t ahci_port_read(AHCIState *s, int port, int offset)
val = pr->cmd_issue;
break;
default:
trace_ahci_port_read_default(s, port, AHCIPortReg_lookup[regnum],
offset);
val = 0;
}
trace_ahci_port_read(s, port, offset, val);
trace_ahci_port_read(s, port, AHCIPortReg_lookup[regnum], offset, val);
return val;
}