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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32d; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1663175707553100001 The point of qtest is to simulate how running code might interact with the system. However because it's not a real system we have places in the code which especially handle check qtest_enabled() before referencing current_cpu. Now we can encode these details in the MemTxAttrs lets do that so we can start removing them. Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Richard Henderson --- softmmu/qtest.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/softmmu/qtest.c b/softmmu/qtest.c index f8acef2628..c086bd34b7 100644 --- a/softmmu/qtest.c +++ b/softmmu/qtest.c @@ -362,6 +362,13 @@ static void qtest_clock_warp(int64_t dest) qemu_clock_notify(QEMU_CLOCK_VIRTUAL); } =20 +/* + * QTest memory accesses are treated as though they come from the + * first (non-existent) CPU. We need to expose this via MemTxAttrs for + * those bits of HW which care which core is accessing them. + */ +#define MEMTXATTRS_QTEST ((MemTxAttrs) { .requester_cpu =3D 1 }) + static void qtest_process_command(CharBackend *chr, gchar **words) { const gchar *command; @@ -525,17 +532,17 @@ static void qtest_process_command(CharBackend *chr, g= char **words) } else if (words[0][5] =3D=3D 'w') { uint16_t data =3D value; tswap16s(&data); - address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIE= D, + address_space_write(first_cpu->as, addr, MEMTXATTRS_QTEST, &data, 2); } else if (words[0][5] =3D=3D 'l') { uint32_t data =3D value; tswap32s(&data); - address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIE= D, + address_space_write(first_cpu->as, addr, MEMTXATTRS_QTEST, &data, 4); } else if (words[0][5] =3D=3D 'q') { uint64_t data =3D value; tswap64s(&data); - address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIE= D, + address_space_write(first_cpu->as, addr, MEMTXATTRS_QTEST, &data, 8); } qtest_send_prefix(chr); @@ -554,21 +561,21 @@ static void qtest_process_command(CharBackend *chr, g= char **words) =20 if (words[0][4] =3D=3D 'b') { uint8_t data; - address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, + address_space_read(first_cpu->as, addr, MEMTXATTRS_QTEST, &data, 1); value =3D data; } else if (words[0][4] =3D=3D 'w') { uint16_t data; - address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, + address_space_read(first_cpu->as, addr, MEMTXATTRS_QTEST, &data, 2); value =3D tswap16(data); } else if (words[0][4] =3D=3D 'l') { uint32_t data; - address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, + address_space_read(first_cpu->as, addr, MEMTXATTRS_QTEST, &data, 4); value =3D tswap32(data); } else if (words[0][4] =3D=3D 'q') { - address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, + address_space_read(first_cpu->as, addr, MEMTXATTRS_QTEST, &value, 8); tswap64s(&value); } @@ -589,7 +596,7 @@ static void qtest_process_command(CharBackend *chr, gch= ar **words) g_assert(len); =20 data =3D g_malloc(len); - address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, da= ta, + address_space_read(first_cpu->as, addr, MEMTXATTRS_QTEST, data, len); =20 enc =3D g_malloc(2 * len + 1); @@ -615,7 +622,7 @@ static void qtest_process_command(CharBackend *chr, gch= ar **words) g_assert(ret =3D=3D 0); =20 data =3D g_malloc(len); - address_space_read(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, da= ta, + address_space_read(first_cpu->as, addr, MEMTXATTRS_QTEST, data, len); b64_data =3D g_base64_encode(data, len); qtest_send_prefix(chr); @@ -650,7 +657,7 @@ static void qtest_process_command(CharBackend *chr, gch= ar **words) data[i] =3D 0; } } - address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, d= ata, + address_space_write(first_cpu->as, addr, MEMTXATTRS_QTEST, data, len); g_free(data); =20 @@ -673,7 +680,7 @@ static void qtest_process_command(CharBackend *chr, gch= ar **words) if (len) { data =3D g_malloc(len); memset(data, pattern, len); - address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIE= D, + address_space_write(first_cpu->as, addr, MEMTXATTRS_QTEST, data, len); g_free(data); } @@ -707,7 +714,7 @@ static void qtest_process_command(CharBackend *chr, gch= ar **words) out_len =3D MIN(out_len, len); } =20 - address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED, d= ata, + address_space_write(first_cpu->as, addr, MEMTXATTRS_QTEST, data, len); =20 qtest_send_prefix(chr); --=20 2.34.1