registers.h File Reference

#include <uacpi/types.h>
#include <uacpi/registers.h>

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Functions
uacpi_status	uacpi_initialize_registers (void)
void	uacpi_deinitialize_registers (void)

Function Documentation

uacpi_deinitialize_registers()

void uacpi_deinitialize_registers

(

void

)

Definition at line 465 of file registers.c.

{
    uacpi_u8 i;
    struct register_mapping *mapping;
 
    if (g_reg_lock != UACPI_NULL) {
        uacpi_kernel_free_spinlock(g_reg_lock);
        g_reg_lock = UACPI_NULL;
    }
 
    for (i = 0; i <= UACPI_REGISTER_MAX; ++i) {
        mapping = &g_register_mappings[i];
 
        if (mapping->states[0] == REGISTER_MAPPING_STATE_MAPPED)
            uacpi_unmap_gas_nofree(&mapping->mappings[0]);
        if (mapping->states[1] == REGISTER_MAPPING_STATE_MAPPED)
            uacpi_unmap_gas_nofree(&mapping->mappings[1]);
    }
 
    uacpi_memzero(&g_register_mappings, sizeof(g_register_mappings));
}

Referenced by uacpi_state_reset().

uacpi_initialize_registers()

uacpi_status uacpi_initialize_registers

(

void

)

Definition at line 456 of file registers.c.

{
    g_reg_lock = uacpi_kernel_create_spinlock();
    if (uacpi_unlikely(g_reg_lock == UACPI_NULL))
        return UACPI_STATUS_OUT_OF_MEMORY;
 
    return UACPI_STATUS_OK;
}

Referenced by uacpi_initialize().