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-rw-r--r--sample/filetest.c129
1 files changed, 64 insertions, 65 deletions
diff --git a/sample/filetest.c b/sample/filetest.c
index b4ca2d80..2ef772a1 100644
--- a/sample/filetest.c
+++ b/sample/filetest.c
@@ -7,92 +7,91 @@ int putchar(int);
static inline void memset(void *buf, int ch, unsigned int len)
{
- asm volatile("cld; rep; stosb"
- : "+D" (buf), "+c" (len) : "a" (ch) : "memory");
+ asm volatile ("cld; rep; stosb":"+D" (buf), "+c"(len):"a"(ch):"memory");
}
static void strcpy(char *dst, const char *src)
{
- while ( *src )
- *dst++ = *src++;
+ while (*src)
+ *dst++ = *src++;
- *dst = '\0';
+ *dst = '\0';
}
-static void printregs(const com32sys_t *r)
+static void printregs(const com32sys_t * r)
{
- printf("eflags = %08x ds = %04x es = %04x fs = %04x gs = %04x\n"
- "eax = %08x ebx = %08x ecx = %08x edx = %08x\n"
- "ebp = %08x esi = %08x edi = %08x esp = %08x\n",
- r->eflags.l, r->ds, r->es, r->fs, r->gs,
- r->eax.l, r->ebx.l, r->ecx.l, r->edx.l,
- r->ebp.l, r->esi.l, r->edi.l, r->_unused_esp.l);
+ printf("eflags = %08x ds = %04x es = %04x fs = %04x gs = %04x\n"
+ "eax = %08x ebx = %08x ecx = %08x edx = %08x\n"
+ "ebp = %08x esi = %08x edi = %08x esp = %08x\n",
+ r->eflags.l, r->ds, r->es, r->fs, r->gs,
+ r->eax.l, r->ebx.l, r->ecx.l, r->edx.l,
+ r->ebp.l, r->esi.l, r->edi.l, r->_unused_esp.l);
}
int __start(void)
{
- unsigned int ax,cx,si,t;
- com32sys_t inreg,outreg;
- char *p;
+ unsigned int ax, cx, si, t;
+ com32sys_t inreg, outreg;
+ char *p;
- /* Test null system call */
- inreg.eflags.l = 0xffffffff;
- inreg.eax.l = 0x11110000;
- inreg.ecx.l = 0x22222222;
- inreg.edx.l = 0x33333333;
- inreg.ebx.l = 0x44444444;
- inreg.ebp.l = 0x55555555;
- inreg.esi.l = 0x66666666;
- inreg.edi.l = 0x77777777;
- inreg.ds = 0xaaaa;
- inreg.es = 0xbbbb;
- inreg.fs = 0xcccc;
- inreg.gs = 0xdddd;
- printregs(&inreg);
- __com32.cs_intcall(0x22, &inreg, &outreg);
- printregs(&outreg);
- printf("----\n");
-
- memset(&inreg, 0, sizeof inreg);
- memset(&outreg, 0, sizeof outreg);
- strcpy(__com32.cs_bounce, "test.txt");
- inreg.eax.w[0] = 0x0006; // Open file
- inreg.esi.w[0] = OFFS(__com32.cs_bounce);
- inreg.es = SEG(__com32.cs_bounce);
- printregs(&inreg);
- __com32.cs_intcall(0x22, &inreg, &outreg);
- printregs(&outreg);
- printf("----\n");
-
- si = outreg.esi.w[0]; /* File handle */
- cx = outreg.ecx.w[0]; /* Block size */
- ax = outreg.eax.l; /* File length */
-
- while ( si ) {
- /* We can only read 64K per call */
- t = ( ax > 65536 ) ? 65536/cx : (ax+cx-1)/cx;
+ /* Test null system call */
+ inreg.eflags.l = 0xffffffff;
+ inreg.eax.l = 0x11110000;
+ inreg.ecx.l = 0x22222222;
+ inreg.edx.l = 0x33333333;
+ inreg.ebx.l = 0x44444444;
+ inreg.ebp.l = 0x55555555;
+ inreg.esi.l = 0x66666666;
+ inreg.edi.l = 0x77777777;
+ inreg.ds = 0xaaaa;
+ inreg.es = 0xbbbb;
+ inreg.fs = 0xcccc;
+ inreg.gs = 0xdddd;
+ printregs(&inreg);
+ __com32.cs_intcall(0x22, &inreg, &outreg);
+ printregs(&outreg);
+ printf("----\n");
memset(&inreg, 0, sizeof inreg);
- inreg.esi.w[0] = si;
- inreg.ecx.w[0] = t; /* Block count */
- inreg.eax.w[0] = 0x0007; // Read file
- inreg.ebx.w[0] = OFFS(__com32.cs_bounce);
+ memset(&outreg, 0, sizeof outreg);
+ strcpy(__com32.cs_bounce, "test.txt");
+ inreg.eax.w[0] = 0x0006; // Open file
+ inreg.esi.w[0] = OFFS(__com32.cs_bounce);
inreg.es = SEG(__com32.cs_bounce);
printregs(&inreg);
__com32.cs_intcall(0x22, &inreg, &outreg);
printregs(&outreg);
printf("----\n");
- si = outreg.esi.w[0];
- /* Print the buffer */
- t = (ax < 65536) ? ax : 65536;
- p = __com32.cs_bounce;
- while ( t ) {
- putchar(*p++);
- t--;
- ax--;
+ si = outreg.esi.w[0]; /* File handle */
+ cx = outreg.ecx.w[0]; /* Block size */
+ ax = outreg.eax.l; /* File length */
+
+ while (si) {
+ /* We can only read 64K per call */
+ t = (ax > 65536) ? 65536 / cx : (ax + cx - 1) / cx;
+
+ memset(&inreg, 0, sizeof inreg);
+ inreg.esi.w[0] = si;
+ inreg.ecx.w[0] = t; /* Block count */
+ inreg.eax.w[0] = 0x0007; // Read file
+ inreg.ebx.w[0] = OFFS(__com32.cs_bounce);
+ inreg.es = SEG(__com32.cs_bounce);
+ printregs(&inreg);
+ __com32.cs_intcall(0x22, &inreg, &outreg);
+ printregs(&outreg);
+ printf("----\n");
+ si = outreg.esi.w[0];
+
+ /* Print the buffer */
+ t = (ax < 65536) ? ax : 65536;
+ p = __com32.cs_bounce;
+ while (t) {
+ putchar(*p++);
+ t--;
+ ax--;
+ }
}
- }
- return 0;
+ return 0;
}