kolibrios/drivers/devman/acpinfo/main.c

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#include <ddk.h>
#include <syscall.h>
#include "acpi.h"
acpi_rsdp_t* acpi_locate();
acpi_rsdp_t* acpi_rsdp;
acpi_rsdt_t* acpi_rsdt;
acpi_madt_t* acpi_madt;
addr_t acpi_rsdt_base;
addr_t acpi_madt_base;
addr_t acpi_lapic_base;
addr_t acpi_ioapic_base;
addr_t __fastcall rsdt_find(acpi_rsdt_t *rsdt, u32_t sig);
u32_t drvEntry(int action, char *cmdline)
{
u32_t ret;
if(action != 1)
return 0;
if( !dbg_open("/sys/drivers/acpi.log") )
{
printf("Can't open /sys/drivers/acpi.log\nExit\n");
return 0;
}
acpi_rsdp = acpi_locate();
if (unlikely(acpi_rsdp == NULL))
{
dbgprintf("No ACPI RSD table\n");
return 0;
};
dbgprintf("rsd base address %x\n", acpi_rsdp);
acpi_rsdt_base = acpi_rsdp->rsdt_ptr;
acpi_rsdt = (acpi_rsdt_t*)(MapIoMem(acpi_rsdt_base,0x10000,5));
dbgprintf("rsdt base 0x%x, kernel 0x%x\n", acpi_rsdt_base, acpi_rsdt);
if (unlikely(acpi_rsdt == NULL))
{
dbgprintf("Invalid ACPI RSD table\n");
return 0;
};
// print_rsdt(acpi_rsdt);
acpi_madt_base = rsdt_find(acpi_rsdt, ACPI_MADT_SIGN);
if( unlikely(acpi_madt_base == 0) )
{
dbgprintf("No ACPI MAD Table\n");
return 0;
};
acpi_madt =(acpi_madt_t*)acpi_remap_table(acpi_madt_base);
dbgprintf("madt base 0x%x, kernel 0x%x\n", acpi_madt_base, acpi_madt);
// print_madt(acpi_madt);
return 0;
};