xiaoxiang781216 commented on code in PR #18303:
URL: https://github.com/apache/nuttx/pull/18303#discussion_r2752338968
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arch/x86/src/i486/i486_utils.S:
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@@ -57,16 +57,16 @@
.type gdt_flush, @function
gdt_flush:
- movl %eax, 4(%esp) /* Get the pointer to the GDT, passed as a
parameter */
+ movl 4(%esp), %eax /* Get the pointer to the GDT, passed
as a parameter */
lgdt (%eax) /* Load the new GDT pointer */
- mov $KSEG, %ax /* KSEG is the offset in the
GDT to our data segment */
- mov %ax, %ds /* Load all data segment
selectors */
- mov %ax, %es
- mov %ax, %fs
- mov %ax, %gs
- mov %ax, %ss
- jmp $0x08, $.Lgflush /* 0x08 is the offset to our
code segment: Far jump! */
+ mov $KSEG, %ax /* KSEG is the offset in the GDT to our
data segment */
Review Comment:
why change the following lines
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