hw/acpi/aml-build: Add aml_memory32_fixed() term
Add aml_memory32_fixed() for describing device mmio region in resource template. These can be used to generating DSDT table for ACPI on ARM. Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 1432522520-8068-6-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -26,6 +26,7 @@
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#include <string.h>
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#include "hw/acpi/aml-build.h"
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#include "qemu/bswap.h"
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#include "qemu/bitops.h"
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#include "hw/acpi/bios-linker-loader.h"
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static GArray *build_alloc_array(void)
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@ -505,6 +506,33 @@ Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4)
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return var;
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}
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/*
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* ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor
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* (Type 1, Large Item Name 0x6)
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*/
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Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
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AmlReadAndWrite read_and_write)
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{
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Aml *var = aml_alloc();
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build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */
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build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */
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build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */
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build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */
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/* Range base address */
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build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */
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build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */
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build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */
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build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */
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/* Range length */
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build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */
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build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */
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build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */
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build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */
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return var;
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}
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/* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */
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Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
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uint8_t aln, uint8_t len)
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@ -168,6 +168,8 @@ Aml *aml_call1(const char *method, Aml *arg1);
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Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
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Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
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Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
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Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
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AmlReadAndWrite read_and_write);
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Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
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uint8_t aln, uint8_t len);
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Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
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