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QEMU i486 port is code complete

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3342 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2011-03-06 00:08:40 +00:00
parent bca9a6fae0
commit 2b7eab8bb1
6 changed files with 158 additions and 53 deletions
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arch/x86/include/i486/irq.h
+9 -3
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@@ -62,19 +62,25 @@
#define REG_EDI (1) /* Saved by pusha */
#define REG_ESI (2) /* " " "" " " */
#define REG_EBP (3) /* " " "" " " */
#define REG_ESP (4) /* " " "" " " */
#define REG_ESP (4) /* " " "" " " (NOTE 1)*/
#define REG_EBX (5) /* " " "" " " */
#define REG_EDX (6) /* " " "" " " */
#define REG_ECX (7) /* " " "" " " */
#define REG_EAX (8) /* " " "" " " */
#define REG_IRQNO (9) /* Interrupt number */
#define REG_ERRCODE (10) /* Error code */
#define REG_IRQNO (9) /* Interrupt number (NOTE 2) */
#define REG_ERRCODE (10) /* Error code (NOTE 2) */
#define REG_EIP (11) /* Pushed by process on interrupt processing */
#define REG_CS (12) /* " " "" " " "" " " " " */
#define REG_EFLAGS (13) /* " " "" " " "" " " " " */
#define REG_SP (14) /* " " "" " " "" " " " " */
#define REG_SS (15) /* " " "" " " "" " " " " */
/* NOTE 1: Two versions of the ESP are saved: One from the interrupt
* processing and one from pusha. Only the interrupt ESP (REG_SP) is used.
* NOTE 2: This is not really state data. Rather, this is just a convenient
* way to pass parameters from the interrupt handler to C cod.
*/
#define XCPTCONTEXT_REGS (16)
#define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS)