Oops, committed too much
This commit is contained in:
parent
fc7438181b
commit
a31e9b0400
|
@ -23,7 +23,7 @@ begdata:
|
||||||
.bss
|
.bss
|
||||||
begbss:
|
begbss:
|
||||||
|
|
||||||
.globl crtso, __penviron, __penvp
|
.globl crtso, __penviron, __penvp, __fpu_present
|
||||||
.globl __minix_datastart, __minix_mainjump, __minix_unmapzero
|
.globl __minix_datastart, __minix_mainjump, __minix_unmapzero
|
||||||
.extern _main, _exit
|
.extern _main, _exit
|
||||||
|
|
||||||
|
@ -61,6 +61,11 @@ crtso:
|
||||||
push %edx /* push argv */
|
push %edx /* push argv */
|
||||||
push %eax /* push argc */
|
push %eax /* push argc */
|
||||||
|
|
||||||
|
/* Test the EM bit of the MSW to determine if an FPU is present and */
|
||||||
|
/* set __fpu_present if one is found. */
|
||||||
|
smsw %ax
|
||||||
|
testb $0x4, %al /* EM bit in MSW */
|
||||||
|
sete __fpu_present /* True if not set */
|
||||||
jmp __minix_mainjump
|
jmp __minix_mainjump
|
||||||
|
|
||||||
.balign I386_PAGE_SIZE
|
.balign I386_PAGE_SIZE
|
||||||
|
@ -111,5 +116,6 @@ __penviron:
|
||||||
|
|
||||||
.bss
|
.bss
|
||||||
.lcomm __penvp, 4 /* Hidden environment vector */
|
.lcomm __penvp, 4 /* Hidden environment vector */
|
||||||
|
.lcomm __fpu_present, 4 /* FPU present flag */
|
||||||
|
|
||||||
.extern endtext /* Force loading of end labels. */
|
.extern endtext /* Force loading of end labels. */
|
||||||
|
|
Loading…
Reference in a new issue