hv: irq: minor refine about structure idt_64_descriptor
The 'value' field in structure idt_64_descriptor is no one used. We could remove it. Tracked-On: #4550 Signed-off-by: Li Fei1 <fei1.li@intel.com>
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@ -480,16 +480,16 @@ void init_default_irqs(uint16_t cpu_id)
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static inline void fixup_idt(const struct host_idt_descriptor *idtd)
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{
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uint32_t i;
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union idt_64_descriptor *idt_desc = (union idt_64_descriptor *)idtd->idt;
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struct idt_64_descriptor *idt_desc = idtd->idt->host_idt_descriptors;
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uint32_t entry_hi_32, entry_lo_32;
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for (i = 0U; i < HOST_IDT_ENTRIES; i++) {
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entry_lo_32 = idt_desc[i].fields.offset_63_32;
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entry_hi_32 = idt_desc[i].fields.rsvd;
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idt_desc[i].fields.rsvd = 0U;
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idt_desc[i].fields.offset_63_32 = entry_hi_32;
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idt_desc[i].fields.high32.bits.offset_31_16 = entry_lo_32 >> 16U;
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idt_desc[i].fields.low32.bits.offset_15_0 = entry_lo_32 & 0xffffUL;
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entry_lo_32 = idt_desc[i].offset_63_32;
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entry_hi_32 = idt_desc[i].rsvd;
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idt_desc[i].rsvd = 0U;
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idt_desc[i].offset_63_32 = entry_hi_32;
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idt_desc[i].high32.bits.offset_31_16 = entry_lo_32 >> 16U;
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idt_desc[i].low32.bits.offset_15_0 = entry_lo_32 & 0xffffUL;
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}
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}
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@ -19,33 +19,30 @@
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/*
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* Definition of an 16 byte IDT selector.
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*/
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union idt_64_descriptor {
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uint64_t value;
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struct {
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union {
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uint32_t value;
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struct {
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uint32_t offset_15_0:16;
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uint32_t seg_sel:16;
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} bits;
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} low32;
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union {
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uint32_t value;
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struct {
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uint32_t ist:3;
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uint32_t bit_3_clr:1;
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uint32_t bit_4_clr:1;
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uint32_t bits_5_7_clr:3;
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uint32_t type:4;
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uint32_t bit_12_clr:1;
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uint32_t dpl:2;
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uint32_t present:1;
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uint32_t offset_31_16:16;
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} bits;
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} high32;
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uint32_t offset_63_32;
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uint32_t rsvd;
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} fields;
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struct idt_64_descriptor {
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union {
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uint32_t value;
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struct {
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uint32_t offset_15_0:16;
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uint32_t seg_sel:16;
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} bits;
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} low32;
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union {
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uint32_t value;
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struct {
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uint32_t ist:3;
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uint32_t bit_3_clr:1;
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uint32_t bit_4_clr:1;
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uint32_t bits_5_7_clr:3;
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uint32_t type:4;
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uint32_t bit_12_clr:1;
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uint32_t dpl:2;
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uint32_t present:1;
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uint32_t offset_31_16:16;
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} bits;
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} high32;
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uint32_t offset_63_32;
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uint32_t rsvd;
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} __aligned(8);
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/*****************************************************************************
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@ -54,7 +51,7 @@ union idt_64_descriptor {
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*
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*****************************************************************************/
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struct host_idt {
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union idt_64_descriptor host_idt_descriptors[HOST_IDT_ENTRIES];
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struct idt_64_descriptor host_idt_descriptors[HOST_IDT_ENTRIES];
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} __aligned(8);
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/*
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