asm/common: move sys_mmap macro to proc
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parent
40e4388767
commit
4faaad866c
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@ -1,3 +1,6 @@
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src = files('start.S')
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src = files(
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'start.S',
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'mmap.S',
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)
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common_lib = static_library('common', src, include_directories : inc_dir)
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@ -0,0 +1,40 @@
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#include "common/mmap.h"
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// Arguments:
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// %r0 addr
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// %r1 len
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// %r2 prot
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// %r3 flags
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// %r4 fd
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// %r5 offset
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.global sys_mmap
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.type sys_mmap, #function
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.align 8
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sys_mmap:
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{
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setwd wsz=8, nfx=1
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setbn rsz=3, rbs=4, rcur=0
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sdisp %ctpr1, 0x3
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nop 2
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}
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{
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addd,0 0, NR_mmap, %b[0]
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addd,1 0, %r0, %b[1]
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addd,2 0, %r1, %b[2]
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addd,3 0, %r2, %b[3]
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addd,4 0, %r3, %b[4]
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addd,5 0, %r4, %b[5]
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}
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{
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addd,1 0, %r5, %b[6]
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call %ctpr1, wbs=4
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}
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{
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return %ctpr3
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addd,0 0, %b[0], %r0
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nop 5
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}
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{
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ct %ctpr3
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}
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.size sys_mmap, . - sys_mmap
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@ -5,12 +5,9 @@
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# define __iset__ 1
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#endif
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#define NR_exit 1
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#define NR_write 4
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#define NR_mmap 90
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#define NR_rt_sigaction 174
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#define NR_rt_sigreturn 173
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#define NR_access_hw_stacks 254
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#define PAGE_SIZE 4096
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#include "common/syscall_nr.h"
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#define SCRATCH_REG0 %g23
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#define SCRATCH_REG1 %g22
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@ -90,58 +87,6 @@
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sys_exit 77
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.endm
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#define PAGE_SIZE 4096
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#define MAP_SHARED 0x000001
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#define MAP_PRIVATE 0x000002
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#define MAP_SHARED_VALIDATE 0x000003
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#define MAP_ANONYMOUS 0x000010 /* don't use a file */
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#define MAP_FIXED 0x000100 /* Interpret addr exactly */
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#define MAP_DENYWRITE 0x000800 /* ETXTBSY */
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#define MAP_GROWSDOWN 0x001000 /* stack-like segment */
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#define MAP_GROWSUP 0x002000 /* register stack-like segment */
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#define MAP_EXECUTABLE 0x004000 /* mark it as an executable */
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#define MAP_LOCKED 0x008000 /* pages are locked */
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#define MAP_NORESERVE 0x010000 /* don't check for reservations */
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#define MAP_POPULATE 0x020000 /* populate (prefault) pagetables */
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#define MAP_NONBLOCK 0x040000 /* do not block on IO */
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#define MAP_FIRST32 0x080000 /* in protected mode map in */
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/* first 2 ** 32 area */
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#define MAP_WRITECOMBINED 0x100000 /* Write combine */
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#define MAP_HUGETLB 0x200000 /* create a huge page mapping */
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#define MAP_FIXED_NOREPLACE 0x400000 /* MAP_FIXED which doesn't unmap */
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/* underlying mapping */
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#define MAP_STACK MAP_GROWSDOWN
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#define PROT_READ 0x1 /* page can be read */
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#define PROT_WRITE 0x2 /* page can be written */
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#define PROT_EXEC 0x4 /* page can be executed */
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#define PROT_SEM 0x8 /* page may be used for atomic ops */
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#define PROT_NONE 0x0 /* page can not be accessed */
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.macro sys_mmap ret, addr, len, prot, flags, fd=-1, offset=0
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{
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setwd wsz=8, nfx=1
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setbn rsz=3, rbs=4, rcur=0
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sdisp %ctpr1, 0x3
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}
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addd,0 0, NR_mmap, %b[0]
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{
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addd,0 0, \addr, %b[1]
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addd,1 0, \len, %b[2]
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}
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{
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addd,0 0, \prot, %b[3]
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addd,1 0, \flags, %b[4]
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}
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{
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addd,0 0, \fd, %b[5]
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addd,1 0, \offset, %b[6]
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}
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call %ctpr1, wbs=4
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addd,0 0, %b[0], \ret
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.endm
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#define write(MSG) \
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.pushsection ".rodata"; \
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local(str):; \
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@ -0,0 +1,49 @@
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#ifndef COMMON_MMAP_H
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#define COMMON_MMAP_H
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#include "common/syscall_nr.h"
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#define MAP_SHARED 0x000001
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#define MAP_PRIVATE 0x000002
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#define MAP_SHARED_VALIDATE 0x000003
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#define MAP_ANONYMOUS 0x000010 /* don't use a file */
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#define MAP_FIXED 0x000100 /* Interpret addr exactly */
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#define MAP_DENYWRITE 0x000800 /* ETXTBSY */
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#define MAP_GROWSDOWN 0x001000 /* stack-like segment */
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#define MAP_GROWSUP 0x002000 /* register stack-like segment */
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#define MAP_EXECUTABLE 0x004000 /* mark it as an executable */
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#define MAP_LOCKED 0x008000 /* pages are locked */
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#define MAP_NORESERVE 0x010000 /* don't check for reservations */
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#define MAP_POPULATE 0x020000 /* populate (prefault) pagetables */
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#define MAP_NONBLOCK 0x040000 /* do not block on IO */
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#define MAP_FIRST32 0x080000 /* in protected mode map in */
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/* first 2 ** 32 area */
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#define MAP_WRITECOMBINED 0x100000 /* Write combine */
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#define MAP_HUGETLB 0x200000 /* create a huge page mapping */
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#define MAP_FIXED_NOREPLACE 0x400000 /* MAP_FIXED which doesn't unmap */
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/* underlying mapping */
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#define MAP_STACK MAP_GROWSDOWN
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#define PROT_READ 0x1 /* page can be read */
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#define PROT_WRITE 0x2 /* page can be written */
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#define PROT_EXEC 0x4 /* page can be executed */
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#define PROT_SEM 0x8 /* page may be used for atomic ops */
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#define PROT_NONE 0x0 /* page can not be accessed */
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#define sys_mmap(ret, addr, len, prot, flags) \
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{ \
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disp %ctpr1, sys_mmap; \
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addd,0 0, addr, %b[0]; \
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addd,1 0, len, %b[1]; \
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} \
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{ \
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addd,0 0, prot, %b[2]; \
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addd,1 0, flags, %b[3]; \
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subd,2 0, 1, %b[4]; \
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addd,3 0, 0, %b[5]; \
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nop 3 \
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} \
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call %ctpr1, wbs=4; \
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addd,0 0, %b[0], ret
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#endif // COMMON_MMAP_H
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@ -0,0 +1,11 @@
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#ifndef COMMON_SYSCALL_NR_H
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#define COMMON_SYSCALL_NR_H
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#define NR_exit 1
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#define NR_write 4
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#define NR_mmap 90
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#define NR_rt_sigaction 174
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#define NR_rt_sigreturn 173
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#define NR_access_hw_stacks 254
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#endif // COMMON_SYSCALL_NR_H
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@ -1,3 +1,5 @@
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#include "common/mmap.h"
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#include "test_start.S"
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#ifndef MIN_VER
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@ -11,9 +13,9 @@
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#if __iset__ >= MIN_VER && __iset__ < MAX_VER
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setwd wsz=8, nfx=0
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sys_mmap %r0, 0, PAGE_SIZE * 3, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS
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sys_mmap(%r0, 0, PAGE_SIZE * 3, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS)
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addd,0 %r0, PAGE_SIZE, %r0
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sys_mmap %r0, %r0, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED
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sys_mmap(%r0, %r0, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED)
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subd,0 0, 1, %r1
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stb,2 %r1, [ %r0 ]
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@ -1,3 +1,5 @@
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#include "common/mmap.h"
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#include "test_start.S"
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#ifndef MIN_VER
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@ -11,9 +13,9 @@
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#if __iset__ >= MIN_VER && __iset__ < MAX_VER
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setwd wsz=8, nfx=0
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sys_mmap %r0, 0, PAGE_SIZE * 3, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS
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sys_mmap(%r0, 0, PAGE_SIZE * 3, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS)
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addd,0 %r0, PAGE_SIZE, %r0
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sys_mmap %r0, %r0, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED
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sys_mmap(%r0, %r0, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED)
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subd,0 0, 1, %r1
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stb,2 %r1, [ %r0 ]
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