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Add constants for fields in the local APIC error status register and a

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routine to read it.
This commit is contained in:
John Baldwin 2008-12-11 15:56:30 +00:00
parent 8210f38296
commit 660f08b291
6 changed files with 44 additions and 0 deletions
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13
sys/amd64/amd64/local_apic.c
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@ -299,6 +299,7 @@ lapic_setup(int boot)
/* Program LINT[01] LVT entries. */
lapic->lvt_lint0 = lvt_mode(la, LVT_LINT0, lapic->lvt_lint0);
lapic->lvt_lint1 = lvt_mode(la, LVT_LINT1, lapic->lvt_lint1);
#ifdef HWPMC_HOOKS
/* Program the PMC LVT entry if present. */
if (maxlvt >= LVT_PMC)
@ -644,6 +645,18 @@ lapic_eoi(void)
lapic->eoi = 0;
}
/*
* Read the contents of the error status register. We have to write
* to the register first before reading from it.
*/
u_int
lapic_error(void)
{
lapic->esr = 0;
return (lapic->esr);
}
void
lapic_handle_intr(int vector, struct trapframe *frame)
{

8
sys/amd64/include/apicreg.h
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@ -260,6 +260,14 @@ typedef struct IOAPIC ioapic_t;
# define APIC_TPR_INT 0x000000f0
# define APIC_TPR_SUB 0x0000000f
/* fields in ESR */
#define APIC_ESR_SEND_CS_ERROR 0x00000001
#define APIC_ESR_RECEIVE_CS_ERROR 0x00000002
#define APIC_ESR_SEND_ACCEPT 0x00000004
#define APIC_ESR_RECEIVE_ACCEPT 0x00000008
#define APIC_ESR_SEND_ILLEGAL_VECTOR 0x00000020
#define APIC_ESR_RECEIVE_ILLEGAL_VECTOR 0x00000040
#define APIC_ESR_ILLEGAL_REGISTER 0x00000080
/* fields in ICR_LOW */
#define APIC_VECTOR_MASK 0x000000ff

1
sys/amd64/include/apicvar.h
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@ -200,6 +200,7 @@ void lapic_create(u_int apic_id, int boot_cpu);
void lapic_disable(void);
void lapic_dump(const char *str);
void lapic_eoi(void);
u_int lapic_error(void);
int lapic_id(void);
void lapic_init(vm_paddr_t addr);
int lapic_intr_pending(u_int vector);

13
sys/i386/i386/local_apic.c
View File

@ -301,6 +301,7 @@ lapic_setup(int boot)
/* Program LINT[01] LVT entries. */
lapic->lvt_lint0 = lvt_mode(la, LVT_LINT0, lapic->lvt_lint0);
lapic->lvt_lint1 = lvt_mode(la, LVT_LINT1, lapic->lvt_lint1);
#ifdef HWPMC_HOOKS
/* Program the PMC LVT entry if present. */
if (maxlvt >= LVT_PMC)
@ -646,6 +647,18 @@ lapic_eoi(void)
lapic->eoi = 0;
}
/*
* Read the contents of the error status register. We have to write
* to the register first before reading from it.
*/
u_int
lapic_error(void)
{
lapic->esr = 0;
return (lapic->esr);
}
void
lapic_handle_intr(int vector, struct trapframe *frame)
{

8
sys/i386/include/apicreg.h
View File

@ -260,6 +260,14 @@ typedef struct IOAPIC ioapic_t;
# define APIC_TPR_INT 0x000000f0
# define APIC_TPR_SUB 0x0000000f
/* fields in ESR */
#define APIC_ESR_SEND_CS_ERROR 0x00000001
#define APIC_ESR_RECEIVE_CS_ERROR 0x00000002
#define APIC_ESR_SEND_ACCEPT 0x00000004
#define APIC_ESR_RECEIVE_ACCEPT 0x00000008
#define APIC_ESR_SEND_ILLEGAL_VECTOR 0x00000020
#define APIC_ESR_RECEIVE_ILLEGAL_VECTOR 0x00000040
#define APIC_ESR_ILLEGAL_REGISTER 0x00000080
/* fields in ICR_LOW */
#define APIC_VECTOR_MASK 0x000000ff

1
sys/i386/include/apicvar.h
View File

@ -211,6 +211,7 @@ void lapic_create(u_int apic_id, int boot_cpu);
void lapic_disable(void);
void lapic_dump(const char *str);
void lapic_eoi(void);
u_int lapic_error(void);
int lapic_id(void);
void lapic_init(vm_paddr_t addr);
int lapic_intr_pending(u_int vector);