From 8d6c7eb896fddb4d4361fc97ec90dda41e825df8 Mon Sep 17 00:00:00 2001 From: bellard Date: Sat, 22 May 2004 16:52:29 +0000 Subject: [PATCH] receive status register support (aka GRUB netboot fix) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@845 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/ne2000.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/hw/ne2000.c b/hw/ne2000.c index 6897bafd4f..9a04c921da 100644 --- a/hw/ne2000.c +++ b/hw/ne2000.c @@ -118,6 +118,7 @@ typedef struct NE2000State { uint16_t tcnt; uint16_t rcnt; uint32_t rsar; + uint8_t rsr; uint8_t isr; uint8_t dcfg; uint8_t imr; @@ -212,7 +213,11 @@ static void ne2000_receive(void *opaque, const uint8_t *buf, int size) next -= (s->stop - s->start); /* prepare packet header */ p = s->mem + index; - p[0] = ENRSR_RXOK; /* receive status */ + s->rsr = ENRSR_RXOK; /* receive status */ + /* XXX: check this */ + if (buf[0] & 0x01) + s->rsr |= ENRSR_PHY; + p[0] = s->rsr; p[1] = next >> 8; p[2] = total_len; p[3] = total_len >> 8; @@ -232,7 +237,7 @@ static void ne2000_receive(void *opaque, const uint8_t *buf, int size) size -= len; } s->curpag = next >> 8; - + /* now we can signal we have receive something */ s->isr |= ENISR_RX; ne2000_update_irq(s); @@ -360,6 +365,9 @@ static uint32_t ne2000_ioport_read(void *opaque, uint32_t addr) case EN1_MULT ... EN1_MULT + 7: ret = s->mult[offset - EN1_MULT]; break; + case EN0_RSR: + ret = s->rsr; + break; default: ret = 0x00; break; -- GitLab