85 lines
2.1 KiB
ArmAsm
85 lines
2.1 KiB
ArmAsm
#include <minix/ipcconst.h>
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#include <machine/asm.h>
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/**========================================================================* */
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/* IPC assembly routines * */
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/**========================================================================* */
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ENTRY(_send)
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push {fp}
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mov fp, sp
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mov r2, r1 /* r2 = msg ptr */
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mov r1, r0 /* r1 = src_dest */
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mov r0, #SEND /* _send(dest, ptr) */
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mov r3, #IPCVEC /* r3 determines the SVC type */
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svc #0 /* trap to kernel */
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pop {fp}
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bx lr
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ENTRY(_receive)
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push {fp}
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mov fp, sp
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push {r2} /* save status ptr */
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mov r2, r1 /* r2 = msg ptr */
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mov r1, r0 /* r1 = src_dest */
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mov r0, #RECEIVE /* _receive(src, ptr) */
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mov r3, #IPCVEC /* r3 determines the SVC type */
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svc #0 /* trap to kernel */
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pop {r2} /* restore status ptr */
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str r1, [r2]
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pop {fp}
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bx lr
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ENTRY(_sendrec)
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push {fp}
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mov fp, sp
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mov r2, r1 /* r2 = msg ptr */
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mov r1, r0 /* r1 = src_dest */
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mov r0, #SENDREC /* _sendrec(srcdest, ptr) */
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mov r3, #IPCVEC /* r3 determines the SVC type */
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svc #0 /* trap to kernel */
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pop {fp}
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bx lr
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ENTRY(_minix_kernel_info_struct)
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push {fp}
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mov fp, sp
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push {r0}
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mov r1, #0
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mov r2, #0
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mov r0, #MINIX_KERNINFO /* kerninfo() */
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mov r3, #IPCVEC /* r3 determines the SVC type */
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svc #0 /* trap to kernel */
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pop {r0} /* r0 = return struct ptr */
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ldr r0, [r0]
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mov r0, r1
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pop {fp}
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bx lr
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ENTRY(_notify)
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push {fp}
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mov fp, sp
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mov r1, r0 /* r1 = src_dest */
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mov r0, #NOTIFY /* _notify(srcdst) */
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mov r3, #IPCVEC /* r3 determines the SVC type */
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svc #0 /* trap to kernel */
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pop {fp}
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bx lr
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ENTRY(_sendnb)
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push {fp}
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mov fp, sp
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mov r2, r1 /* r2 = msg ptr */
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mov r1, r0 /* r1 = src_dest */
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mov r0, #SENDNB /* _sendnb(dest, ptr) */
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mov r3, #IPCVEC /* r3 determines the SVC type */
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svc #0 /* trap to kernel */
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pop {fp}
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bx lr
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ENTRY(_do_kernel_call)
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/* r0 already holds msg ptr */
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mov r3, #KERVEC /* r3 determines the SVC type */
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svc #0 /* trap to kernel */
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bx lr
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