From acf554391f232b5546cd6f22b229b73c46ccb184 Mon Sep 17 00:00:00 2001 From: Andrew Jones Date: Tue, 16 Jun 2015 11:48:22 +0200 Subject: [PATCH 060/217] hw/acpi/aml-build: Add aml_memory32_fixed() term MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Message-id: <1434455325-23399-11-git-send-email-drjones@redhat.com> Patchwork-id: 66243 O-Subject: [AArch64 RHEL-7.2 qemu-kvm-rhev PATCH 10/33] hw/acpi/aml-build: Add aml_memory32_fixed() term Bugzilla: 1231719 RH-Acked-by: Miroslav Rezanina RH-Acked-by: Wei Huang RH-Acked-by: Igor Mammedov RH-Acked-by: Laszlo Ersek Author: Shannon Zhao 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 Signed-off-by: Shannon Zhao Reviewed-by: Alex Bennée Reviewed-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Message-id: 1432522520-8068-6-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell (cherry picked from commit dc17ab1de53d37ddcca81b16dfeae839322fbe5a) Signed-off-by: Andrew Jones Signed-off-by: Miroslav Rezanina --- hw/acpi/aml-build.c | 28 ++++++++++++++++++++++++++++ include/hw/acpi/aml-build.h | 2 ++ 2 files changed, 30 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index ab649bb..ebfcf90 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -26,6 +26,7 @@ #include #include "hw/acpi/aml-build.h" #include "qemu/bswap.h" +#include "qemu/bitops.h" #include "hw/acpi/bios-linker-loader.h" static GArray *build_alloc_array(void) @@ -506,6 +507,33 @@ Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4) return var; } +/* + * ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor + * (Type 1, Large Item Name 0x6) + */ +Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, + AmlReadAndWrite read_and_write) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */ + build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */ + build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */ + build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */ + + /* Range base address */ + build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */ + build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */ + build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */ + build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */ + + /* Range length */ + build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */ + build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */ + build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */ + build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */ + return var; +} + /* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */ Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 98cdf9e..1c3cbd2 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -168,6 +168,8 @@ Aml *aml_call1(const char *method, Aml *arg1); Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2); Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3); Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4); +Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, + AmlReadAndWrite read_and_write); Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len); Aml *aml_operation_region(const char *name, AmlRegionSpace rs, -- 1.8.3.1