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https://github.com/iceHtwoO/novaOS.git
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34a66ff87a
* refactor: organize code * feat: move EL0 stack to virtual space * wip * feat: Enable EL0 basic mailbox access via SVCs * refactor: move irq interrupts
134 lines
3.3 KiB
ArmAsm
134 lines
3.3 KiB
ArmAsm
.section .vector_t , "ax"
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.extern irq_handler
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.macro ventry label
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.align 7
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b \label
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.endm
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.global vector_table
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vector_table:
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// Exceptions from current EL using SP_EL0
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ventry .
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ventry .
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ventry .
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ventry .
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// Exceptions from the current EL using SP_ELx
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ventry synchronous_interrupt_no_el_change // Synchronous Exception 0x200
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ventry irq_handler // IRQ(Interrupt Request) 0x280
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ventry . // FIQ(Fast Interrupt Request) 0x300
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ventry . // SError 0x580
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// Exceptions from lower EL AArch64
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ventry synchronous_interrupt_imm_lower_aarch64 // Synchronous Exception 0x400
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ventry irq_handler // IRQ(Interrupt Request) 0x480
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ventry . // FIQ(Fast Interrupt Request) 0x500
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ventry . // SError 0x580
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// Exceptions from lower EL AArch32
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ventry .
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ventry .
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ventry .
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ventry .
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.align 4
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irq_handler:
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sub sp, sp, #176
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stp x0, x1, [sp, #0]
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stp x2, x3, [sp, #16]
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stp x4, x5, [sp, #32]
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stp x6, x7, [sp, #48]
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stp x8, x9, [sp, #64]
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stp x10, x11, [sp, #80]
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stp x12, x13, [sp, #96]
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stp x14, x15, [sp, #112]
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stp x16, x17, [sp, #128]
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stp x18, x29, [sp, #144]
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stp x30, xzr, [sp, #160]
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bl rust_irq_handler
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ldp x0, x1, [sp, #0]
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ldp x2, x3, [sp, #16]
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ldp x4, x5, [sp, #32]
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ldp x6, x7, [sp, #48]
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ldp x8, x9, [sp, #64]
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ldp x10, x11, [sp, #80]
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ldp x12, x13, [sp, #96]
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ldp x14, x15, [sp, #112]
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ldp x16, x17, [sp, #128]
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ldp x18, x29, [sp, #144]
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ldp x30, xzr, [sp, #160]
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add sp, sp, #176
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eret
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.align 4
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synchronous_interrupt_imm_lower_aarch64:
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sub sp, sp, #176
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stp x0, x1, [sp, #0]
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stp x2, x3, [sp, #16]
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stp x4, x5, [sp, #32]
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stp x6, x7, [sp, #48]
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stp x8, x9, [sp, #64]
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stp x10, x11, [sp, #80]
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stp x12, x13, [sp, #96]
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stp x14, x15, [sp, #112]
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stp x16, x17, [sp, #128]
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stp x18, x29, [sp, #144]
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stp x30, xzr, [sp, #160]
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mov x0, sp
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bl rust_synchronous_interrupt_imm_lower_aarch64
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str x0, [sp, #0]
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ldp x0, x1, [sp, #0]
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ldp x2, x3, [sp, #16]
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ldp x4, x5, [sp, #32]
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ldp x6, x7, [sp, #48]
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ldp x8, x9, [sp, #64]
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ldp x10, x11, [sp, #80]
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ldp x12, x13, [sp, #96]
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ldp x14, x15, [sp, #112]
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ldp x16, x17, [sp, #128]
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ldp x18, x29, [sp, #144]
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ldp x30, xzr, [sp, #160]
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add sp, sp, #176
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eret
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.align 4
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synchronous_interrupt_no_el_change:
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sub sp, sp, #176
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stp x0, x1, [sp, #0]
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stp x2, x3, [sp, #16]
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stp x4, x5, [sp, #32]
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stp x6, x7, [sp, #48]
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stp x8, x9, [sp, #64]
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stp x10, x11, [sp, #80]
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stp x12, x13, [sp, #96]
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stp x14, x15, [sp, #112]
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stp x16, x17, [sp, #128]
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stp x18, x29, [sp, #144]
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stp x30, xzr, [sp, #160]
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mov x0, sp
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bl rust_synchronous_interrupt_no_el_change
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str x0, [sp, #0]
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ldp x0, x1, [sp, #0]
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ldp x2, x3, [sp, #16]
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ldp x4, x5, [sp, #32]
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ldp x6, x7, [sp, #48]
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ldp x8, x9, [sp, #64]
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ldp x10, x11, [sp, #80]
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ldp x12, x13, [sp, #96]
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ldp x14, x15, [sp, #112]
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ldp x16, x17, [sp, #128]
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ldp x18, x29, [sp, #144]
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ldp x30, xzr, [sp, #160]
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add sp, sp, #176
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eret
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